SeasonMap

Flood season, month by month around the world

The river comes into the streets most years.

This is a warning page, not a recommendation. Flood season covers 78 destinations on SeasonMap; the months below are the ones in which the risk window is open — most weeks in them pass quietly, and the score beside each place is still the ordinary climate score, hazard and all.

← All seasons · The world's calendar

When it is on

Number of destinations with flood season on in that month. Windows move a little each year.

Flood season in January

  1. 🇦🇪 Fujairah, United Arab EmiratesWinter rain and wadi floods · 1 Dec – 31 Mar (usually)This is the wettest corner of the Emirates, and a day of rain on the Hajar mountains sends water down the wadis fast enough to cut the roads.92climate
  2. 🇪🇬 Dahab, EgyptSinai flash floods · 15 Oct – 15 Mar (usually)Rare and violent: a storm over the mountains sends water down the wadis and across the coast road, cutting the runs to Nuweiba and St Catherine for a day.91climate
  3. 🇸🇦 Mecca, Saudi ArabiaWinter flash floods · 1 Nov – 31 Jan (usually)The valley takes most of its rain in a handful of storms and the runoff comes off bare rock into the streets, shutting underpasses and approach roads for a few hours.90climate
  4. 🇯🇴 Aqaba, JordanWadi flash-flood season · 15 Oct – 31 Mar (usually)Rain over the mountains behind town runs off bare rock and crosses the roads out to Wadi Rum and the Dead Sea.90climate
  5. 🇦🇷 Cafayate, ArgentinaSummer storm road closures · 15 Dec – 15 Mar (usually)The valley's rain arrives as short violent summer storms and the Quebrada de las Conchas road towards Salta closes for rockfall and washed-out crossings.87climate
  6. 🇪🇬 Alexandria, EgyptWinter storms off the sea · 15 Nov – 15 Mar (usually)Named storms come in off the Mediterranean every few weeks and the drains give up before the rain does: flooded underpasses, closed corniche lanes, a day written off.84climate
  7. 🇯🇴 Dead Sea, JordanWadi flash-flood season · 1 Nov – 31 MarRain falling on the highlands drains into the canyons that come down to the shore, and the valley road and every side wadi close at short notice.84climate
  8. 🇯🇴 Petra, JordanFlash-flood closures · 1 Nov – 31 MarThe Siq is a drain for a wide catchment, and after heavy rain on the plateau the authority evacuates the site with little warning.79climate
  9. 🇯🇴 Wadi Rum, JordanFlash floods in the wadis · 1 Nov – 31 Mar (usually)Rain on the plateau runs off bare rock and fills the wadis within minutes, and the desert tracks and the road in can both be cut for a day.76climate
  10. 🇳🇿 Franz Josef, New ZealandHighway closures in heavy rain · 1 Jan – 31 DecThere is one road in and one road out, and a big West Coast rain event closes it north or south of the village a few times a year.69climate
  11. 🇧🇷 São Paulo, BrazilSummer storms and flooding · 1 Dec – 31 Mar (usually)Late-afternoon storms most days through the southern summer, and the ones that stall put the Tiete and the marginais under water and the traffic at a standstill for hours.63climate
  12. 🇦🇷 Salta, ArgentinaSummer rain closes the mountain roads · 15 Dec – 15 Mar (usually)Storms in the southern summer send debris over the Cuesta del Obispo and the road down to Cafayate, and either can shut for a day.62climate
  13. 🇿🇲 Lusaka, ZambiaRainy-season flooding · 1 Dec – 31 Mar (usually)Poor drainage and dense informal settlements mean heavy rains regularly submerge roads and low-lying suburbs each rainy season.60climate
  14. 🇵🇪 Aguas Calientes, PeruLandslides on the rail line · 1 Jan – 31 Mar (usually)The Urubamba runs high through the wet months and a huaico takes out a stretch of track most years, usually towards Hidroelectrica.60climate
  15. 🇮🇹 Venice, ItalyAcqua alta season · 1 Oct – 15 Jan (usually)High water comes with the autumn tides.59climate
  16. 🇺🇸 Congaree National Park, United StatesFloodwater on the boardwalk · 1 Dec – 30 Apr (usually)The floodplain takes water about ten times a year, most often in the wet half, and a rise puts the backcountry trails and parts of the boardwalk underwater.59climate
  17. 🇲🇭 Majuro, Marshall IslandsKing tides wash the road · 15 Dec – 15 Mar (usually)The atoll is a few hundred metres wide in places with the lagoon on one side and the ocean on the other.57climate
  18. 🇰🇮 Tarawa, KiribatiKing tides over the causeways · 15 Jan – 20 Mar (usually)South Tarawa is a thin line of islets joined by causeways, and the highest tides of the year put seawater across the road and into the wells.55climate
  19. 🇬🇧 Oxford, United KingdomPort Meadow under water · 1 Dec – 28 Feb (usually)The Thames spreads across Port Meadow most winters and the towpath north of Walton Well goes under.55climate
  20. 🇦🇺 Uluru, AustraliaSummer storms and waterfalls · 1 Dec – 15 Mar (usually)Thunderstorms come off the desert in the hot months and the rock runs with waterfalls for a few hours, which is the sight nobody plans for.53climate
  21. 🇦🇷 Puerto Iguazú, ArgentinaGarganta walkway shut in flood · 1 Nov – 30 Apr (usually)Summer rain upriver can put the Iguazu over the catwalk to the Devil's Throat balcony, and the circuit shuts until the flow drops.53climate
  22. 🇧🇷 Foz do Iguaçu, BrazilDevil's Throat walkway shut · 1 Nov – 30 Apr (usually)When the Iguacu runs above the safe limit the catwalk out to the Devil's Throat closes on both sides, sometimes for days.53climate
  23. 🇬🇧 York, United KingdomThe Ouse comes up · 1 Nov – 28 Feb (usually)King's Staith and the riverside pubs flood most winters — the pubs have tide marks on the walls and mop out afterwards.53climate
  24. 🇮🇩 Jakarta, IndonesiaFlood season · 1 Jan – 28 Feb (usually)The peak of the wet season is also when the canals back up and whole districts go under for a day or two.51climate
  25. 🇹🇻 Funafuti, TuvaluKing tides · 15 Jan – 20 Mar (usually)The year's highest spring tides come round in February and March and push water up through the coral from below, so parts of the atoll flood on a clear day with no storm anywhere near.51climate

…and 6 more in January.

What's on around the world in January →

Flood season in February

  1. 🇯🇴 Aqaba, JordanWadi flash-flood season · 15 Oct – 31 Mar (usually)Rain over the mountains behind town runs off bare rock and crosses the roads out to Wadi Rum and the Dead Sea.96climate
  2. 🇪🇬 Dahab, EgyptSinai flash floods · 15 Oct – 15 Mar (usually)Rare and violent: a storm over the mountains sends water down the wadis and across the coast road, cutting the runs to Nuweiba and St Catherine for a day.95climate
  3. 🇯🇴 Dead Sea, JordanWadi flash-flood season · 1 Nov – 31 MarRain falling on the highlands drains into the canyons that come down to the shore, and the valley road and every side wadi close at short notice.90climate
  4. 🇪🇬 Alexandria, EgyptWinter storms off the sea · 15 Nov – 15 Mar (usually)Named storms come in off the Mediterranean every few weeks and the drains give up before the rain does: flooded underpasses, closed corniche lanes, a day written off.89climate
  5. 🇦🇷 Cafayate, ArgentinaSummer storm road closures · 15 Dec – 15 Mar (usually)The valley's rain arrives as short violent summer storms and the Quebrada de las Conchas road towards Salta closes for rockfall and washed-out crossings.89climate
  6. 🇦🇪 Fujairah, United Arab EmiratesWinter rain and wadi floods · 1 Dec – 31 Mar (usually)This is the wettest corner of the Emirates, and a day of rain on the Hajar mountains sends water down the wadis fast enough to cut the roads.89climate
  7. 🇯🇴 Petra, JordanFlash-flood closures · 1 Nov – 31 MarThe Siq is a drain for a wide catchment, and after heavy rain on the plateau the authority evacuates the site with little warning.82climate
  8. 🇯🇴 Wadi Rum, JordanFlash floods in the wadis · 1 Nov – 31 Mar (usually)Rain on the plateau runs off bare rock and fills the wadis within minutes, and the desert tracks and the road in can both be cut for a day.79climate
  9. 🇳🇿 Franz Josef, New ZealandHighway closures in heavy rain · 1 Jan – 31 DecThere is one road in and one road out, and a big West Coast rain event closes it north or south of the village a few times a year.71climate
  10. 🇿🇲 Lusaka, ZambiaRainy-season flooding · 1 Dec – 31 Mar (usually)Poor drainage and dense informal settlements mean heavy rains regularly submerge roads and low-lying suburbs each rainy season.70climate
  11. 🇧🇷 São Paulo, BrazilSummer storms and flooding · 1 Dec – 31 Mar (usually)Late-afternoon storms most days through the southern summer, and the ones that stall put the Tiete and the marginais under water and the traffic at a standstill for hours.68climate
  12. 🇦🇷 Salta, ArgentinaSummer rain closes the mountain roads · 15 Dec – 15 Mar (usually)Storms in the southern summer send debris over the Cuesta del Obispo and the road down to Cafayate, and either can shut for a day.67climate
  13. 🇺🇸 Congaree National Park, United StatesFloodwater on the boardwalk · 1 Dec – 30 Apr (usually)The floodplain takes water about ten times a year, most often in the wet half, and a rise puts the backcountry trails and parts of the boardwalk underwater.66climate
  14. 🇰🇮 Tarawa, KiribatiKing tides over the causeways · 15 Jan – 20 Mar (usually)South Tarawa is a thin line of islets joined by causeways, and the highest tides of the year put seawater across the road and into the wells.62climate
  15. 🇬🇧 Oxford, United KingdomPort Meadow under water · 1 Dec – 28 Feb (usually)The Thames spreads across Port Meadow most winters and the towpath north of Walton Well goes under.61climate
  16. 🇲🇭 Majuro, Marshall IslandsKing tides wash the road · 15 Dec – 15 Mar (usually)The atoll is a few hundred metres wide in places with the lagoon on one side and the ocean on the other.60climate
  17. 🇬🇧 York, United KingdomThe Ouse comes up · 1 Nov – 28 Feb (usually)King's Staith and the riverside pubs flood most winters — the pubs have tide marks on the walls and mop out afterwards.60climate
  18. 🇵🇪 Aguas Calientes, PeruLandslides on the rail line · 1 Jan – 31 Mar (usually)The Urubamba runs high through the wet months and a huaico takes out a stretch of track most years, usually towards Hidroelectrica.59climate
  19. 🇩🇪 Cologne, GermanyRhine high water · 1 Dec – 31 Mar (usually)Winter rain and Alpine melt push the Rhine over the riverside paths most years and occasionally into the old town cellars.58climate
  20. 🇦🇺 Uluru, AustraliaSummer storms and waterfalls · 1 Dec – 15 Mar (usually)Thunderstorms come off the desert in the hot months and the rock runs with waterfalls for a few hours, which is the sight nobody plans for.57climate
  21. 🇩🇪 Dresden, GermanyElbe high water · 15 Feb – 15 Jun (usually)Snowmelt out of the Czech mountains pushes the Elbe up most springs; the riverside paths, the beer gardens and the ferry landings go under first, and the city has flood gauges marked on the old town wall.57climate
  22. 🇦🇷 Puerto Iguazú, ArgentinaGarganta walkway shut in flood · 1 Nov – 30 Apr (usually)Summer rain upriver can put the Iguazu over the catwalk to the Devil's Throat balcony, and the circuit shuts until the flow drops.57climate
  23. 🇧🇷 Foz do Iguaçu, BrazilDevil's Throat walkway shut · 1 Nov – 30 Apr (usually)When the Iguacu runs above the safe limit the catwalk out to the Devil's Throat closes on both sides, sometimes for days.57climate
  24. 🇺🇸 Cincinnati, United StatesOhio River flood season · 1 Feb – 15 Apr (usually)Late winter rain on frozen ground puts the river over its banks most years, and the low riverfront roads and Sawyer Point paths go under first.56climate
  25. 🇩🇪 Hamburg, GermanyStorm surge season · 15 Sep – 31 MarThe city counts its storm tide season from mid-September to the end of March.53climate

…and 6 more in February.

What's on around the world in February →

Flood season in March

  1. 🇯🇴 Dead Sea, JordanWadi flash-flood season · 1 Nov – 31 MarRain falling on the highlands drains into the canyons that come down to the shore, and the valley road and every side wadi close at short notice.94climate
  2. 🇪🇬 Alexandria, EgyptWinter storms off the sea · 15 Nov – 15 Mar (usually)Named storms come in off the Mediterranean every few weeks and the drains give up before the rain does: flooded underpasses, closed corniche lanes, a day written off.93climate
  3. 🇪🇬 Dahab, EgyptSinai flash floods · 15 Oct – 15 Mar (usually)Rare and violent: a storm over the mountains sends water down the wadis and across the coast road, cutting the runs to Nuweiba and St Catherine for a day.93climate
  4. 🇦🇷 Cafayate, ArgentinaSummer storm road closures · 15 Dec – 15 Mar (usually)The valley's rain arrives as short violent summer storms and the Quebrada de las Conchas road towards Salta closes for rockfall and washed-out crossings.92climate
  5. 🇯🇴 Petra, JordanFlash-flood closures · 1 Nov – 31 MarThe Siq is a drain for a wide catchment, and after heavy rain on the plateau the authority evacuates the site with little warning.88climate
  6. 🇯🇴 Aqaba, JordanWadi flash-flood season · 15 Oct – 31 Mar (usually)Rain over the mountains behind town runs off bare rock and crosses the roads out to Wadi Rum and the Dead Sea.88climate
  7. 🇯🇴 Wadi Rum, JordanFlash floods in the wadis · 1 Nov – 31 Mar (usually)Rain on the plateau runs off bare rock and fills the wadis within minutes, and the desert tracks and the road in can both be cut for a day.85climate
  8. 🇦🇪 Fujairah, United Arab EmiratesWinter rain and wadi floods · 1 Dec – 31 Mar (usually)This is the wettest corner of the Emirates, and a day of rain on the Hajar mountains sends water down the wadis fast enough to cut the roads.81climate
  9. 🇿🇲 Lusaka, ZambiaRainy-season flooding · 1 Dec – 31 Mar (usually)Poor drainage and dense informal settlements mean heavy rains regularly submerge roads and low-lying suburbs each rainy season.78climate
  10. 🇭🇺 Budapest, HungaryDanube high water · 1 Mar – 30 Apr (usually)Snowmelt upstream pushes the river over the lower quays most springs.74climate
  11. 🇺🇸 Congaree National Park, United StatesFloodwater on the boardwalk · 1 Dec – 30 Apr (usually)The floodplain takes water about ten times a year, most often in the wet half, and a rise puts the backcountry trails and parts of the boardwalk underwater.72climate
  12. 🇧🇷 São Paulo, BrazilSummer storms and flooding · 1 Dec – 31 Mar (usually)Late-afternoon storms most days through the southern summer, and the ones that stall put the Tiete and the marginais under water and the traffic at a standstill for hours.70climate
  13. 🇩🇪 Dresden, GermanyElbe high water · 15 Feb – 15 Jun (usually)Snowmelt out of the Czech mountains pushes the Elbe up most springs; the riverside paths, the beer gardens and the ferry landings go under first, and the city has flood gauges marked on the old town wall.68climate
  14. 🇦🇷 Salta, ArgentinaSummer rain closes the mountain roads · 15 Dec – 15 Mar (usually)Storms in the southern summer send debris over the Cuesta del Obispo and the road down to Cafayate, and either can shut for a day.68climate
  15. 🇦🇺 Uluru, AustraliaSummer storms and waterfalls · 1 Dec – 15 Mar (usually)Thunderstorms come off the desert in the hot months and the rock runs with waterfalls for a few hours, which is the sight nobody plans for.67climate
  16. 🇩🇪 Cologne, GermanyRhine high water · 1 Dec – 31 Mar (usually)Winter rain and Alpine melt push the Rhine over the riverside paths most years and occasionally into the old town cellars.67climate
  17. 🇵🇱 Wrocław, PolandOdra high water · 1 Mar – 31 Jul (usually)The city is built across a dozen islands and channels, and it has been overwhelmed twice in living memory — 1997 and again in 2024.67climate
  18. 🇳🇿 Franz Josef, New ZealandHighway closures in heavy rain · 1 Jan – 31 DecThere is one road in and one road out, and a big West Coast rain event closes it north or south of the village a few times a year.67climate
  19. 🇺🇸 Cincinnati, United StatesOhio River flood season · 1 Feb – 15 Apr (usually)Late winter rain on frozen ground puts the river over its banks most years, and the low riverfront roads and Sawyer Point paths go under first.66climate
  20. 🇩🇪 Hamburg, GermanyStorm surge season · 15 Sep – 31 MarThe city counts its storm tide season from mid-September to the end of March.65climate
  21. 🇵🇪 Aguas Calientes, PeruLandslides on the rail line · 1 Jan – 31 Mar (usually)The Urubamba runs high through the wet months and a huaico takes out a stretch of track most years, usually towards Hidroelectrica.62climate
  22. 🇺🇸 Gateway Arch National Park, United StatesMississippi spring flood · 15 Mar – 30 Jun (usually)Snowmelt and spring rain from half a continent arrive here, and the cobblestone levee below the Arch goes under most years — sometimes the riverfront path with it.59climate
  23. 🇹🇻 Funafuti, TuvaluKing tides · 15 Jan – 20 Mar (usually)The year's highest spring tides come round in February and March and push water up through the coral from below, so parts of the atoll flood on a clear day with no storm anywhere near.59climate
  24. 🇧🇷 Rio de Janeiro, BrazilLate-afternoon storms · 1 Dec – 31 Mar (usually)Summer heat builds into heavy storms that arrive in the late afternoon and can flood the road tunnels and the north zone within an hour, then clear.58climate
  25. 🇦🇷 Puerto Iguazú, ArgentinaGarganta walkway shut in flood · 1 Nov – 30 Apr (usually)Summer rain upriver can put the Iguazu over the catwalk to the Devil's Throat balcony, and the circuit shuts until the flow drops.58climate

…and 5 more in March.

What's on around the world in March →

Flood season in April

  1. 🇭🇺 Budapest, HungaryDanube high water · 1 Mar – 30 Apr (usually)Snowmelt upstream pushes the river over the lower quays most springs.88climate
  2. 🇺🇸 St. Louis, United StatesSpring river flooding · 1 Apr – 30 Jun (usually)Snowmelt and spring rain up two river systems meet here, and the Arch grounds, Laclede's Landing and the riverboat docks go under in the bad years.80climate
  3. 🇩🇪 Dresden, GermanyElbe high water · 15 Feb – 15 Jun (usually)Snowmelt out of the Czech mountains pushes the Elbe up most springs; the riverside paths, the beer gardens and the ferry landings go under first, and the city has flood gauges marked on the old town wall.78climate
  4. 🇵🇱 Wrocław, PolandOdra high water · 1 Mar – 31 Jul (usually)The city is built across a dozen islands and channels, and it has been overwhelmed twice in living memory — 1997 and again in 2024.77climate
  5. 🇺🇸 Congaree National Park, United StatesFloodwater on the boardwalk · 1 Dec – 30 Apr (usually)The floodplain takes water about ten times a year, most often in the wet half, and a rise puts the backcountry trails and parts of the boardwalk underwater.76climate
  6. 🇺🇸 Cincinnati, United StatesOhio River flood season · 1 Feb – 15 Apr (usually)Late winter rain on frozen ground puts the river over its banks most years, and the low riverfront roads and Sawyer Point paths go under first.76climate
  7. 🇺🇸 Gateway Arch National Park, United StatesMississippi spring flood · 15 Mar – 30 Jun (usually)Snowmelt and spring rain from half a continent arrive here, and the cobblestone levee below the Arch goes under most years — sometimes the riverfront path with it.69climate
  8. 🇨🇦 Winnipeg, CanadaRed River flood season · 1 Apr – 10 May (usually)Snowmelt on a flat, north-flowing river backs water up across the valley most springs, and the floodway around the city was dug for exactly this.68climate
  9. 🇧🇷 Paraty, BrazilSea into the streets · 1 Jan – 31 DecThe colonial centre was laid below the spring-tide line on purpose, so around the full and new moons the sea comes up through the seawall openings and drains back out, taking the day's dirt with it.65climate
  10. 🇦🇷 Puerto Iguazú, ArgentinaGarganta walkway shut in flood · 1 Nov – 30 Apr (usually)Summer rain upriver can put the Iguazu over the catwalk to the Devil's Throat balcony, and the circuit shuts until the flow drops.64climate
  11. 🇧🇷 Foz do Iguaçu, BrazilDevil's Throat walkway shut · 1 Nov – 30 Apr (usually)When the Iguacu runs above the safe limit the catwalk out to the Devil's Throat closes on both sides, sometimes for days.64climate
  12. 🇳🇿 Franz Josef, New ZealandHighway closures in heavy rain · 1 Jan – 31 DecThere is one road in and one road out, and a big West Coast rain event closes it north or south of the village a few times a year.60climate

What's on around the world in April →

Flood season in May

  1. 🇺🇸 St. Louis, United StatesSpring river flooding · 1 Apr – 30 Jun (usually)Snowmelt and spring rain up two river systems meet here, and the Arch grounds, Laclede's Landing and the riverboat docks go under in the bad years.87climate
  2. 🇩🇪 Dresden, GermanyElbe high water · 15 Feb – 15 Jun (usually)Snowmelt out of the Czech mountains pushes the Elbe up most springs; the riverside paths, the beer gardens and the ferry landings go under first, and the city has flood gauges marked on the old town wall.85climate
  3. 🇵🇱 Wrocław, PolandOdra high water · 1 Mar – 31 Jul (usually)The city is built across a dozen islands and channels, and it has been overwhelmed twice in living memory — 1997 and again in 2024.85climate
  4. 🇺🇸 Guadalupe Mountains National Park, United StatesMonsoon storms and flash floods · 15 May – 30 Sep (usually)The wet months bring heavy afternoon thunderstorms and flash flooding in the canyons, which is also what breaks the heat of the day.81climate
  5. 🇨🇦 Winnipeg, CanadaRed River flood season · 1 Apr – 10 May (usually)Snowmelt on a flat, north-flowing river backs water up across the valley most springs, and the floodway around the city was dug for exactly this.80climate
  6. 🇧🇷 Paraty, BrazilSea into the streets · 1 Jan – 31 DecThe colonial centre was laid below the spring-tide line on purpose, so around the full and new moons the sea comes up through the seawall openings and drains back out, taking the day's dirt with it.77climate
  7. 🇺🇸 Gateway Arch National Park, United StatesMississippi spring flood · 15 Mar – 30 Jun (usually)Snowmelt and spring rain from half a continent arrive here, and the cobblestone levee below the Arch goes under most years — sometimes the riverfront path with it.74climate
  8. 🇺🇸 San Antonio, United StatesFlash flood season · 1 May – 15 Jun (usually)The Hill Country upstream turns rain into wall-of-water floods faster than almost anywhere in the country, and late spring is the worst of it.70climate
  9. 🇳🇿 Franz Josef, New ZealandHighway closures in heavy rain · 1 Jan – 31 DecThere is one road in and one road out, and a big West Coast rain event closes it north or south of the village a few times a year.50climate
  10. 🇨🇴 Barranquilla, ColombiaArroyos in the streets · 1 May – 15 Nov (usually)The city drains its downpours down the roads, and within minutes certain streets carry a current that will move a car.49climate
  11. 🇧🇩 Sylhet, BangladeshFlash-flood season · 15 May – 30 Sep (usually)The Surma and Kushiyara rivers regularly burst their banks between May and September: the 2022 flood submerged most of Sylhet and neighbouring Sunamganj district, shut the airport and railway station, and displaced close to half a million people.46climate

What's on around the world in May →

Flood season in June

  1. 🇩🇪 Dresden, GermanyElbe high water · 15 Feb – 15 Jun (usually)Snowmelt out of the Czech mountains pushes the Elbe up most springs; the riverside paths, the beer gardens and the ferry landings go under first, and the city has flood gauges marked on the old town wall.91climate
  2. 🇵🇱 Wrocław, PolandOdra high water · 1 Mar – 31 Jul (usually)The city is built across a dozen islands and channels, and it has been overwhelmed twice in living memory — 1997 and again in 2024.91climate
  3. 🇧🇷 Paraty, BrazilSea into the streets · 1 Jan – 31 DecThe colonial centre was laid below the spring-tide line on purpose, so around the full and new moons the sea comes up through the seawall openings and drains back out, taking the day's dirt with it.82climate
  4. 🇺🇸 Guadalupe Mountains National Park, United StatesMonsoon storms and flash floods · 15 May – 30 Sep (usually)The wet months bring heavy afternoon thunderstorms and flash flooding in the canyons, which is also what breaks the heat of the day.78climate
  5. 🇺🇸 St. Louis, United StatesSpring river flooding · 1 Apr – 30 Jun (usually)Snowmelt and spring rain up two river systems meet here, and the Arch grounds, Laclede's Landing and the riverboat docks go under in the bad years.76climate
  6. 🇺🇸 Gateway Arch National Park, United StatesMississippi spring flood · 15 Mar – 30 Jun (usually)Snowmelt and spring rain from half a continent arrive here, and the cobblestone levee below the Arch goes under most years — sometimes the riverfront path with it.66climate
  7. 🇺🇸 San Antonio, United StatesFlash flood season · 1 May – 15 Jun (usually)The Hill Country upstream turns rain into wall-of-water floods faster than almost anywhere in the country, and late spring is the worst of it.61climate
  8. 🇧🇹 Punakha, BhutanGlacial flood risk on the rivers · 1 Jun – 15 Oct (usually)The Mo Chhu and Pho Chhu, which meet at the dzong, are fed by glacial lakes upstream that have burst before: floods in 1957, 1960, 1994 and 1996 each damaged Punakha Dzong, the worst killing 23 people.59climate
  9. 🇨🇳 Chongqing, ChinaYangtze flood season · 15 Jun – 5 Sep (usually)The summer rains upstream push the Yangtze and Jialing up their banks most years, and in a bad one the lower levels of Hongya Dong and the riverside walks go under for a week.55climate
  10. 🇵🇭 Manila, PhilippinesHabagat and street flooding · 1 Jun – 15 Oct (usually)The southwest monsoon puts water across España and the low parts of Manila several times a season, and the city calls off work and school when it does.53climate
  11. 🇳🇿 Franz Josef, New ZealandHighway closures in heavy rain · 1 Jan – 31 DecThere is one road in and one road out, and a big West Coast rain event closes it north or south of the village a few times a year.53climate
  12. 🇨🇴 Barranquilla, ColombiaArroyos in the streets · 1 May – 15 Nov (usually)The city drains its downpours down the roads, and within minutes certain streets carry a current that will move a car.50climate
  13. 🇮🇳 Mumbai, IndiaFlooding on the suburban lines · 15 Jun – 15 Sep (usually)When the tide is high and the rain is heavy the tracks go under and the local trains stop, which strands the city rather than merely slowing it.38climate
  14. 🇧🇩 Sylhet, BangladeshFlash-flood season · 15 May – 30 Sep (usually)The Surma and Kushiyara rivers regularly burst their banks between May and September: the 2022 flood submerged most of Sylhet and neighbouring Sunamganj district, shut the airport and railway station, and displaced close to half a million people.34climate

What's on around the world in June →

Flood season in July

  1. 🇵🇱 Wrocław, PolandOdra high water · 1 Mar – 31 Jul (usually)The city is built across a dozen islands and channels, and it has been overwhelmed twice in living memory — 1997 and again in 2024.88climate
  2. 🇧🇷 Paraty, BrazilSea into the streets · 1 Jan – 31 DecThe colonial centre was laid below the spring-tide line on purpose, so around the full and new moons the sea comes up through the seawall openings and drains back out, taking the day's dirt with it.87climate
  3. 🇺🇸 Guadalupe Mountains National Park, United StatesMonsoon storms and flash floods · 15 May – 30 Sep (usually)The wet months bring heavy afternoon thunderstorms and flash flooding in the canyons, which is also what breaks the heat of the day.77climate
  4. 🇺🇸 Capitol Reef National Park, United StatesMonsoon flash floods · 1 Jul – 20 Sep (usually)The slot canyons off the Scenic Drive fill from storms that break out of sight, and the dirt roads in the Waterpocket district turn to grease.72climate
  5. 🇺🇸 Big Bend National Park, United StatesMonsoon flash floods · 1 Jul – 30 Sep (usually)Afternoon storms put water down the arroyos with no warning and cut the unpaved roads; Old Maverick Road and the Santa Elena approach have been closed by flood damage for long stretches.72climate
  6. 🇺🇸 Zion National Park, United StatesMonsoon flash floods · 1 Jul – 20 Sep (usually)Late-summer storms over the plateau put water into slot canyons under blue sky downstream.71climate
  7. 🇲🇽 Monterrey, MexicoTropical rain and flooding · 1 Jul – 15 Oct (usually)Gulf storms that cross the coast dump their rain on the Sierra Madre behind the city, and the Santa Catarina riverbed fills within hours.70climate
  8. 🇺🇸 Death Valley National Park, United StatesMonsoon flash floods · 15 Jul – 30 Sep (usually)Late summer storms tear out the unpaved canyon roads most years, and some stay shut for months afterwards.68climate
  9. 🇺🇸 Carlsbad Caverns National Park, United StatesMonsoon flash floods · 1 Jul – 20 Sep (usually)Afternoon storms come off the Guadalupe escarpment and put water across Walnut Canyon Desert Drive and the road up from Whites City.68climate
  10. 🇳🇪 Niamey, NigerNiger river flooding · 15 Jul – 30 Sep (usually)Storm runoff and then the river rise put whole neighbourhoods on the right bank under water most years.64climate
  11. 🇺🇸 Canyonlands National Park, United StatesMonsoon flash floods · 1 Jul – 20 Sep (usually)Afternoon storms fill the canyons from rain that fell miles upstream, and the dirt roads into the Needles and the Maze turn to impassable clay within minutes.60climate
  12. 🇺🇸 Arches National Park, United StatesMonsoon flash floods · 15 Jul – 15 Sep (usually)Late summer storms send water down slots and washes that were dry an hour earlier, and the rain does not have to be overhead.59climate
  13. 🇨🇴 Barranquilla, ColombiaArroyos in the streets · 1 May – 15 Nov (usually)The city drains its downpours down the roads, and within minutes certain streets carry a current that will move a car.59climate
  14. 🇵🇰 Karachi, PakistanUrban flooding · 1 Jul – 31 Aug (usually)A single heavy spell puts the underpasses and half the main arteries under water and takes the grid down with them.56climate
  15. 🇧🇹 Punakha, BhutanGlacial flood risk on the rivers · 1 Jun – 15 Oct (usually)The Mo Chhu and Pho Chhu, which meet at the dzong, are fed by glacial lakes upstream that have burst before: floods in 1957, 1960, 1994 and 1996 each damaged Punakha Dzong, the worst killing 23 people.53climate
  16. 🇵🇰 Islamabad, PakistanNullah flooding · 1 Jul – 31 Aug (usually)A cell parking over the Margallas fills the storm channels through the sectors within the hour and takes the Expressway underpasses with them.52climate
  17. 🇺🇸 Moab, United StatesMonsoon flash floods · 10 Jul – 15 Sep (usually)Storms that break fifty miles upstream fill the slot canyons here with no warning, and the road into Canyonlands' Needles has been cut by debris more than once.50climate
  18. 🇵🇰 Lahore, PakistanMonsoon street flooding · 1 Jul – 31 Aug (usually)The rain arrives in short violent spells the drains in the old city cannot take, and the underpasses close with them.46climate
  19. 🇳🇿 Franz Josef, New ZealandHighway closures in heavy rain · 1 Jan – 31 DecThere is one road in and one road out, and a big West Coast rain event closes it north or south of the village a few times a year.46climate
  20. 🇵🇭 Manila, PhilippinesHabagat and street flooding · 1 Jun – 15 Oct (usually)The southwest monsoon puts water across España and the low parts of Manila several times a season, and the city calls off work and school when it does.42climate
  21. 🇨🇳 Chongqing, ChinaYangtze flood season · 15 Jun – 5 Sep (usually)The summer rains upstream push the Yangtze and Jialing up their banks most years, and in a bad one the lower levels of Hongya Dong and the riverside walks go under for a week.42climate
  22. 🇺🇸 Joshua Tree National Park, United StatesMonsoon flash floods · 1 Jul – 15 Sep (usually)Summer storms drop a season's rain in an hour and wash out the dirt roads and the washes people park in.41climate
  23. 🇺🇸 Grand Canyon National Park, United StatesMonsoon storms · 1 Jul – 15 Sep (usually)Afternoon thunderstorms build over the canyon from July, bringing lightning on exposed rim points and flash floods in the side canyons below.36climate
  24. 🇧🇩 Sylhet, BangladeshFlash-flood season · 15 May – 30 Sep (usually)The Surma and Kushiyara rivers regularly burst their banks between May and September: the 2022 flood submerged most of Sylhet and neighbouring Sunamganj district, shut the airport and railway station, and displaced close to half a million people.36climate
  25. 🇮🇳 Mumbai, IndiaFlooding on the suburban lines · 15 Jun – 15 Sep (usually)When the tide is high and the rain is heavy the tracks go under and the local trains stop, which strands the city rather than merely slowing it.35climate

…and 1 more in July.

What's on around the world in July →

Flood season in August

  1. 🇧🇷 Paraty, BrazilSea into the streets · 1 Jan – 31 DecThe colonial centre was laid below the spring-tide line on purpose, so around the full and new moons the sea comes up through the seawall openings and drains back out, taking the day's dirt with it.81climate
  2. 🇺🇸 Guadalupe Mountains National Park, United StatesMonsoon storms and flash floods · 15 May – 30 Sep (usually)The wet months bring heavy afternoon thunderstorms and flash flooding in the canyons, which is also what breaks the heat of the day.79climate
  3. 🇺🇸 Capitol Reef National Park, United StatesMonsoon flash floods · 1 Jul – 20 Sep (usually)The slot canyons off the Scenic Drive fill from storms that break out of sight, and the dirt roads in the Waterpocket district turn to grease.77climate
  4. 🇺🇸 Zion National Park, United StatesMonsoon flash floods · 1 Jul – 20 Sep (usually)Late-summer storms over the plateau put water into slot canyons under blue sky downstream.75climate
  5. 🇺🇸 Big Bend National Park, United StatesMonsoon flash floods · 1 Jul – 30 Sep (usually)Afternoon storms put water down the arroyos with no warning and cut the unpaved roads; Old Maverick Road and the Santa Elena approach have been closed by flood damage for long stretches.73climate
  6. 🇲🇽 Monterrey, MexicoTropical rain and flooding · 1 Jul – 15 Oct (usually)Gulf storms that cross the coast dump their rain on the Sierra Madre behind the city, and the Santa Catarina riverbed fills within hours.72climate
  7. 🇺🇸 Death Valley National Park, United StatesMonsoon flash floods · 15 Jul – 30 Sep (usually)Late summer storms tear out the unpaved canyon roads most years, and some stay shut for months afterwards.71climate
  8. 🇺🇸 Canyonlands National Park, United StatesMonsoon flash floods · 1 Jul – 20 Sep (usually)Afternoon storms fill the canyons from rain that fell miles upstream, and the dirt roads into the Needles and the Maze turn to impassable clay within minutes.69climate
  9. 🇺🇸 Arches National Park, United StatesMonsoon flash floods · 15 Jul – 15 Sep (usually)Late summer storms send water down slots and washes that were dry an hour earlier, and the rain does not have to be overhead.68climate
  10. 🇺🇸 Carlsbad Caverns National Park, United StatesMonsoon flash floods · 1 Jul – 20 Sep (usually)Afternoon storms come off the Guadalupe escarpment and put water across Walnut Canyon Desert Drive and the road up from Whites City.67climate
  11. 🇳🇪 Niamey, NigerNiger river flooding · 15 Jul – 30 Sep (usually)Storm runoff and then the river rise put whole neighbourhoods on the right bank under water most years.63climate
  12. 🇺🇸 Moab, United StatesMonsoon flash floods · 10 Jul – 15 Sep (usually)Storms that break fifty miles upstream fill the slot canyons here with no warning, and the road into Canyonlands' Needles has been cut by debris more than once.60climate
  13. 🇵🇰 Karachi, PakistanUrban flooding · 1 Jul – 31 Aug (usually)A single heavy spell puts the underpasses and half the main arteries under water and takes the grid down with them.60climate
  14. 🇵🇰 Islamabad, PakistanNullah flooding · 1 Jul – 31 Aug (usually)A cell parking over the Margallas fills the storm channels through the sectors within the hour and takes the Expressway underpasses with them.56climate
  15. 🇧🇹 Punakha, BhutanGlacial flood risk on the rivers · 1 Jun – 15 Oct (usually)The Mo Chhu and Pho Chhu, which meet at the dzong, are fed by glacial lakes upstream that have burst before: floods in 1957, 1960, 1994 and 1996 each damaged Punakha Dzong, the worst killing 23 people.55climate
  16. 🇨🇴 Barranquilla, ColombiaArroyos in the streets · 1 May – 15 Nov (usually)The city drains its downpours down the roads, and within minutes certain streets carry a current that will move a car.53climate
  17. 🇳🇿 Franz Josef, New ZealandHighway closures in heavy rain · 1 Jan – 31 DecThere is one road in and one road out, and a big West Coast rain event closes it north or south of the village a few times a year.52climate
  18. 🇵🇰 Lahore, PakistanMonsoon street flooding · 1 Jul – 31 Aug (usually)The rain arrives in short violent spells the drains in the old city cannot take, and the underpasses close with them.51climate
  19. 🇵🇭 Manila, PhilippinesHabagat and street flooding · 1 Jun – 15 Oct (usually)The southwest monsoon puts water across España and the low parts of Manila several times a season, and the city calls off work and school when it does.46climate
  20. 🇺🇸 Joshua Tree National Park, United StatesMonsoon flash floods · 1 Jul – 15 Sep (usually)Summer storms drop a season's rain in an hour and wash out the dirt roads and the washes people park in.46climate
  21. 🇺🇸 Grand Canyon National Park, United StatesMonsoon storms · 1 Jul – 15 Sep (usually)Afternoon thunderstorms build over the canyon from July, bringing lightning on exposed rim points and flash floods in the side canyons below.44climate
  22. 🇨🇳 Chongqing, ChinaYangtze flood season · 15 Jun – 5 Sep (usually)The summer rains upstream push the Yangtze and Jialing up their banks most years, and in a bad one the lower levels of Hongya Dong and the riverside walks go under for a week.44climate
  23. 🇮🇳 Mumbai, IndiaFlooding on the suburban lines · 15 Jun – 15 Sep (usually)When the tide is high and the rain is heavy the tracks go under and the local trains stop, which strands the city rather than merely slowing it.41climate
  24. 🇧🇩 Sylhet, BangladeshFlash-flood season · 15 May – 30 Sep (usually)The Surma and Kushiyara rivers regularly burst their banks between May and September: the 2022 flood submerged most of Sylhet and neighbouring Sunamganj district, shut the airport and railway station, and displaced close to half a million people.39climate
  25. 🇮🇳 Varanasi, IndiaGhats under water · 25 Jul – 15 Sep (usually)In most monsoons the Ganga rises over the lower ghats, the boats are grounded by order, and the evening aarti moves to higher ground.37climate

What's on around the world in August →

Flood season in September

  1. 🇪🇸 Málaga, SpainAutumn storms and flash floods · 1 Sep – 30 Nov (usually)A cut-off low over a warm Mediterranean can drop a season's rain in a few hours, and the dry riverbeds inland are what carry it into the towns.85climate
  2. 🇮🇹 Genoa, ItalyAutumn flash floods · 15 Sep – 30 NovWarm sea and steep hills behind a narrow city produce autumn storms that drop a month of rain in hours.85climate
  3. 🇺🇸 Guadalupe Mountains National Park, United StatesMonsoon storms and flash floods · 15 May – 30 Sep (usually)The wet months bring heavy afternoon thunderstorms and flash flooding in the canyons, which is also what breaks the heat of the day.83climate
  4. 🇩🇪 Hamburg, GermanyStorm surge season · 15 Sep – 31 MarThe city counts its storm tide season from mid-September to the end of March.82climate
  5. 🇺🇸 Capitol Reef National Park, United StatesMonsoon flash floods · 1 Jul – 20 Sep (usually)The slot canyons off the Scenic Drive fill from storms that break out of sight, and the dirt roads in the Waterpocket district turn to grease.82climate
  6. 🇪🇸 Valencia, SpainGota fria and DANA storms · 1 Sep – 15 NovAutumn is when a cut-off low over a warm Mediterranean can drop a season's rain on the coastal plain in hours.80climate
  7. 🇺🇸 Zion National Park, United StatesMonsoon flash floods · 1 Jul – 20 Sep (usually)Late-summer storms over the plateau put water into slot canyons under blue sky downstream.80climate
  8. 🇺🇸 Moab, United StatesMonsoon flash floods · 10 Jul – 15 Sep (usually)Storms that break fifty miles upstream fill the slot canyons here with no warning, and the road into Canyonlands' Needles has been cut by debris more than once.80climate
  9. 🇺🇸 Death Valley National Park, United StatesMonsoon flash floods · 15 Jul – 30 Sep (usually)Late summer storms tear out the unpaved canyon roads most years, and some stay shut for months afterwards.79climate
  10. 🇪🇸 Alicante, SpainGota fria storms · 1 Sep – 15 Nov (usually)Autumn on this coast delivers its rain in a day or two rather than in showers, and the ramblas that are dry all year are the reason those days close roads.79climate
  11. 🇪🇸 Benidorm, SpainGota fria storms · 1 Sep – 15 Nov (usually)Autumn rain on this coast arrives as one or two violent days rather than as drizzle, and those days flood the dry ravines and shut the coast road.79climate
  12. 🇺🇸 Arches National Park, United StatesMonsoon flash floods · 15 Jul – 15 Sep (usually)Late summer storms send water down slots and washes that were dry an hour earlier, and the rain does not have to be overhead.78climate
  13. 🇺🇸 Canyonlands National Park, United StatesMonsoon flash floods · 1 Jul – 20 Sep (usually)Afternoon storms fill the canyons from rain that fell miles upstream, and the dirt roads into the Needles and the Maze turn to impassable clay within minutes.78climate
  14. 🇺🇸 Big Bend National Park, United StatesMonsoon flash floods · 1 Jul – 30 Sep (usually)Afternoon storms put water down the arroyos with no warning and cut the unpaved roads; Old Maverick Road and the Santa Elena approach have been closed by flood damage for long stretches.77climate
  15. 🇺🇸 Carlsbad Caverns National Park, United StatesMonsoon flash floods · 1 Jul – 20 Sep (usually)Afternoon storms come off the Guadalupe escarpment and put water across Walnut Canyon Desert Drive and the road up from Whites City.76climate
  16. 🇧🇷 Paraty, BrazilSea into the streets · 1 Jan – 31 DecThe colonial centre was laid below the spring-tide line on purpose, so around the full and new moons the sea comes up through the seawall openings and drains back out, taking the day's dirt with it.75climate
  17. 🇲🇽 Monterrey, MexicoTropical rain and flooding · 1 Jul – 15 Oct (usually)Gulf storms that cross the coast dump their rain on the Sierra Madre behind the city, and the Santa Catarina riverbed fills within hours.73climate
  18. 🇺🇸 Charleston, United StatesKing tide flooding · 1 Sep – 15 Nov (usually)The highest autumn tides put salt water over the Battery and into the lower peninsula streets on clear days, no storm required.69climate
  19. 🇳🇪 Niamey, NigerNiger river flooding · 15 Jul – 30 Sep (usually)Storm runoff and then the river rise put whole neighbourhoods on the right bank under water most years.66climate
  20. 🇺🇸 Grand Canyon National Park, United StatesMonsoon storms · 1 Jul – 15 Sep (usually)Afternoon thunderstorms build over the canyon from July, bringing lightning on exposed rim points and flash floods in the side canyons below.64climate
  21. 🇺🇸 Joshua Tree National Park, United StatesMonsoon flash floods · 1 Jul – 15 Sep (usually)Summer storms drop a season's rain in an hour and wash out the dirt roads and the washes people park in.64climate
  22. 🇨🇳 Chongqing, ChinaYangtze flood season · 15 Jun – 5 Sep (usually)The summer rains upstream push the Yangtze and Jialing up their banks most years, and in a bad one the lower levels of Hongya Dong and the riverside walks go under for a week.60climate
  23. 🇧🇹 Punakha, BhutanGlacial flood risk on the rivers · 1 Jun – 15 Oct (usually)The Mo Chhu and Pho Chhu, which meet at the dzong, are fed by glacial lakes upstream that have burst before: floods in 1957, 1960, 1994 and 1996 each damaged Punakha Dzong, the worst killing 23 people.58climate
  24. 🇺🇸 Miami, United StatesKing tide flooding · 1 Sep – 15 Nov (usually)The year's highest tides push seawater up through the storm drains on clear days, closing streets in Miami Beach and Brickell for a few hours around the new and full moons.56climate
  25. 🇳🇿 Franz Josef, New ZealandHighway closures in heavy rain · 1 Jan – 31 DecThere is one road in and one road out, and a big West Coast rain event closes it north or south of the village a few times a year.51climate

…and 11 more in September.

What's on around the world in September →

Flood season in October

  1. 🇪🇸 Málaga, SpainAutumn storms and flash floods · 1 Sep – 30 Nov (usually)A cut-off low over a warm Mediterranean can drop a season's rain in a few hours, and the dry riverbeds inland are what carry it into the towns.89climate
  2. 🇪🇸 Alicante, SpainGota fria storms · 1 Sep – 15 Nov (usually)Autumn on this coast delivers its rain in a day or two rather than in showers, and the ramblas that are dry all year are the reason those days close roads.89climate
  3. 🇪🇸 Benidorm, SpainGota fria storms · 1 Sep – 15 Nov (usually)Autumn rain on this coast arrives as one or two violent days rather than as drizzle, and those days flood the dry ravines and shut the coast road.89climate
  4. 🇪🇸 Valencia, SpainGota fria and DANA storms · 1 Sep – 15 NovAutumn is when a cut-off low over a warm Mediterranean can drop a season's rain on the coastal plain in hours.88climate
  5. 🇺🇸 Charleston, United StatesKing tide flooding · 1 Sep – 15 Nov (usually)The highest autumn tides put salt water over the Battery and into the lower peninsula streets on clear days, no storm required.85climate
  6. 🇲🇽 Monterrey, MexicoTropical rain and flooding · 1 Jul – 15 Oct (usually)Gulf storms that cross the coast dump their rain on the Sierra Madre behind the city, and the Santa Catarina riverbed fills within hours.84climate
  7. 🇮🇹 Venice, ItalyAcqua alta season · 1 Oct – 15 Jan (usually)High water comes with the autumn tides.79climate
  8. 🇪🇬 Dahab, EgyptSinai flash floods · 15 Oct – 15 Mar (usually)Rare and violent: a storm over the mountains sends water down the wadis and across the coast road, cutting the runs to Nuweiba and St Catherine for a day.77climate
  9. 🇮🇹 Genoa, ItalyAutumn flash floods · 15 Sep – 30 NovWarm sea and steep hills behind a narrow city produce autumn storms that drop a month of rain in hours.76climate
  10. 🇮🇹 Como, ItalyLake floods the lakefront · 1 Oct – 15 Dec (usually)Autumn rain lifts the lake over the walls into Piazza Cavour most years, which is why the city has spent two decades building barriers.75climate
  11. 🇧🇹 Punakha, BhutanGlacial flood risk on the rivers · 1 Jun – 15 Oct (usually)The Mo Chhu and Pho Chhu, which meet at the dzong, are fed by glacial lakes upstream that have burst before: floods in 1957, 1960, 1994 and 1996 each damaged Punakha Dzong, the worst killing 23 people.75climate
  12. 🇮🇹 Cinque Terre, ItalyAutumn storm trail closures · 1 Oct – 30 Nov (usually)Autumn brings the downpours that flattened Vernazza and Monterosso in 2011.73climate
  13. 🇯🇴 Aqaba, JordanWadi flash-flood season · 15 Oct – 31 Mar (usually)Rain over the mountains behind town runs off bare rock and crosses the roads out to Wadi Rum and the Dead Sea.72climate
  14. 🇩🇪 Hamburg, GermanyStorm surge season · 15 Sep – 31 MarThe city counts its storm tide season from mid-September to the end of March.69climate
  15. 🇺🇸 Miami, United StatesKing tide flooding · 1 Sep – 15 Nov (usually)The year's highest tides push seawater up through the storm drains on clear days, closing streets in Miami Beach and Brickell for a few hours around the new and full moons.63climate
  16. 🇧🇷 Paraty, BrazilSea into the streets · 1 Jan – 31 DecThe colonial centre was laid below the spring-tide line on purpose, so around the full and new moons the sea comes up through the seawall openings and drains back out, taking the day's dirt with it.63climate
  17. 🇹🇭 Ayutthaya, ThailandFlood season on the rivers · 1 Sep – 15 Nov (usually)Discharge from the Chao Phraya dam upstream backs into the low districts around the island most years, closing riverside roads and some outlying temples for days at a time.56climate
  18. 🇵🇭 Manila, PhilippinesHabagat and street flooding · 1 Jun – 15 Oct (usually)The southwest monsoon puts water across España and the low parts of Manila several times a season, and the city calls off work and school when it does.55climate
  19. 🇳🇿 Franz Josef, New ZealandHighway closures in heavy rain · 1 Jan – 31 DecThere is one road in and one road out, and a big West Coast rain event closes it north or south of the village a few times a year.55climate
  20. 🇹🇭 Bangkok, ThailandChao Phraya flood season · 15 Sep – 15 Nov (usually)The upstream runoff peaks after the monsoon has moved on, and a high tide on top of it puts the riverside walkways and the low sois behind them under water for a few days at a time.50climate
  21. 🇻🇳 Ho Chi Minh City, VietnamPeak tide flooding · 15 Sep – 15 Dec (usually)The year's highest tides push the river back into District 7, Nha Be and Binh Chanh, usually around the new and full moons.45climate
  22. 🇻🇳 Hội An, VietnamOld town flood season · 1 Oct – 15 Dec (usually)The Thu Bon comes up into the lanes nearest the water most years, usually for one to three days at a time.45climate
  23. 🇻🇳 Hue, VietnamFlood season · 25 Sep – 15 Dec (usually)Hue is the wettest city in the country and the Perfume River comes up into the low streets most years, sometimes for days.45climate
  24. 🇨🇴 Barranquilla, ColombiaArroyos in the streets · 1 May – 15 Nov (usually)The city drains its downpours down the roads, and within minutes certain streets carry a current that will move a car.44climate
  25. 🇻🇳 Can Tho, VietnamKing tides in the city · 15 Sep – 30 Nov (usually)The triều cường tides put river water into Ninh Kieu and the older streets for an hour or two around dawn and dusk on the biggest days, whether or not it has rained.43climate

…and 1 more in October.

What's on around the world in October →

Flood season in November

  1. 🇪🇬 Alexandria, EgyptWinter storms off the sea · 15 Nov – 15 Mar (usually)Named storms come in off the Mediterranean every few weeks and the drains give up before the rain does: flooded underpasses, closed corniche lanes, a day written off.92climate
  2. 🇯🇴 Petra, JordanFlash-flood closures · 1 Nov – 31 MarThe Siq is a drain for a wide catchment, and after heavy rain on the plateau the authority evacuates the site with little warning.91climate
  3. 🇪🇸 Alicante, SpainGota fria storms · 1 Sep – 15 Nov (usually)Autumn on this coast delivers its rain in a day or two rather than in showers, and the ramblas that are dry all year are the reason those days close roads.89climate
  4. 🇪🇸 Málaga, SpainAutumn storms and flash floods · 1 Sep – 30 Nov (usually)A cut-off low over a warm Mediterranean can drop a season's rain in a few hours, and the dry riverbeds inland are what carry it into the towns.87climate
  5. 🇪🇸 Benidorm, SpainGota fria storms · 1 Sep – 15 Nov (usually)Autumn rain on this coast arrives as one or two violent days rather than as drizzle, and those days flood the dry ravines and shut the coast road.87climate
  6. 🇯🇴 Wadi Rum, JordanFlash floods in the wadis · 1 Nov – 31 Mar (usually)Rain on the plateau runs off bare rock and fills the wadis within minutes, and the desert tracks and the road in can both be cut for a day.87climate
  7. 🇺🇸 Charleston, United StatesKing tide flooding · 1 Sep – 15 Nov (usually)The highest autumn tides put salt water over the Battery and into the lower peninsula streets on clear days, no storm required.86climate
  8. 🇪🇬 Dahab, EgyptSinai flash floods · 15 Oct – 15 Mar (usually)Rare and violent: a storm over the mountains sends water down the wadis and across the coast road, cutting the runs to Nuweiba and St Catherine for a day.86climate
  9. 🇯🇴 Dead Sea, JordanWadi flash-flood season · 1 Nov – 31 MarRain falling on the highlands drains into the canyons that come down to the shore, and the valley road and every side wadi close at short notice.86climate
  10. 🇪🇸 Valencia, SpainGota fria and DANA storms · 1 Sep – 15 NovAutumn is when a cut-off low over a warm Mediterranean can drop a season's rain on the coastal plain in hours.85climate
  11. 🇯🇴 Aqaba, JordanWadi flash-flood season · 15 Oct – 31 Mar (usually)Rain over the mountains behind town runs off bare rock and crosses the roads out to Wadi Rum and the Dead Sea.83climate
  12. 🇸🇦 Mecca, Saudi ArabiaWinter flash floods · 1 Nov – 31 Jan (usually)The valley takes most of its rain in a handful of storms and the runoff comes off bare rock into the streets, shutting underpasses and approach roads for a few hours.76climate
  13. 🇺🇸 Miami, United StatesKing tide flooding · 1 Sep – 15 Nov (usually)The year's highest tides push seawater up through the storm drains on clear days, closing streets in Miami Beach and Brickell for a few hours around the new and full moons.73climate
  14. 🇹🇭 Ayutthaya, ThailandFlood season on the rivers · 1 Sep – 15 Nov (usually)Discharge from the Chao Phraya dam upstream backs into the low districts around the island most years, closing riverside roads and some outlying temples for days at a time.70climate
  15. 🇮🇹 Genoa, ItalyAutumn flash floods · 15 Sep – 30 NovWarm sea and steep hills behind a narrow city produce autumn storms that drop a month of rain in hours.67climate
  16. 🇮🇹 Cinque Terre, ItalyAutumn storm trail closures · 1 Oct – 30 Nov (usually)Autumn brings the downpours that flattened Vernazza and Monterosso in 2011.67climate
  17. 🇹🇭 Bangkok, ThailandChao Phraya flood season · 15 Sep – 15 Nov (usually)The upstream runoff peaks after the monsoon has moved on, and a high tide on top of it puts the riverside walkways and the low sois behind them under water for a few days at a time.65climate
  18. 🇮🇹 Como, ItalyLake floods the lakefront · 1 Oct – 15 Dec (usually)Autumn rain lifts the lake over the walls into Piazza Cavour most years, which is why the city has spent two decades building barriers.65climate
  19. 🇮🇹 Venice, ItalyAcqua alta season · 1 Oct – 15 Jan (usually)High water comes with the autumn tides.63climate
  20. 🇦🇷 Puerto Iguazú, ArgentinaGarganta walkway shut in flood · 1 Nov – 30 Apr (usually)Summer rain upriver can put the Iguazu over the catwalk to the Devil's Throat balcony, and the circuit shuts until the flow drops.62climate
  21. 🇧🇷 Foz do Iguaçu, BrazilDevil's Throat walkway shut · 1 Nov – 30 Apr (usually)When the Iguacu runs above the safe limit the catwalk out to the Devil's Throat closes on both sides, sometimes for days.62climate
  22. 🇧🇷 Paraty, BrazilSea into the streets · 1 Jan – 31 DecThe colonial centre was laid below the spring-tide line on purpose, so around the full and new moons the sea comes up through the seawall openings and drains back out, taking the day's dirt with it.62climate
  23. 🇳🇿 Franz Josef, New ZealandHighway closures in heavy rain · 1 Jan – 31 DecThere is one road in and one road out, and a big West Coast rain event closes it north or south of the village a few times a year.61climate
  24. 🇬🇧 York, United KingdomThe Ouse comes up · 1 Nov – 28 Feb (usually)King's Staith and the riverside pubs flood most winters — the pubs have tide marks on the walls and mop out afterwards.59climate
  25. 🇻🇳 Ho Chi Minh City, VietnamPeak tide flooding · 15 Sep – 15 Dec (usually)The year's highest tides push the river back into District 7, Nha Be and Binh Chanh, usually around the new and full moons.58climate

…and 7 more in November.

What's on around the world in November →

Flood season in December

  1. 🇯🇴 Aqaba, JordanWadi flash-flood season · 15 Oct – 31 Mar (usually)Rain over the mountains behind town runs off bare rock and crosses the roads out to Wadi Rum and the Dead Sea.93climate
  2. 🇦🇷 Cafayate, ArgentinaSummer storm road closures · 15 Dec – 15 Mar (usually)The valley's rain arrives as short violent summer storms and the Quebrada de las Conchas road towards Salta closes for rockfall and washed-out crossings.91climate
  3. 🇪🇬 Dahab, EgyptSinai flash floods · 15 Oct – 15 Mar (usually)Rare and violent: a storm over the mountains sends water down the wadis and across the coast road, cutting the runs to Nuweiba and St Catherine for a day.90climate
  4. 🇪🇬 Alexandria, EgyptWinter storms off the sea · 15 Nov – 15 Mar (usually)Named storms come in off the Mediterranean every few weeks and the drains give up before the rain does: flooded underpasses, closed corniche lanes, a day written off.88climate
  5. 🇯🇴 Dead Sea, JordanWadi flash-flood season · 1 Nov – 31 MarRain falling on the highlands drains into the canyons that come down to the shore, and the valley road and every side wadi close at short notice.85climate
  6. 🇦🇪 Fujairah, United Arab EmiratesWinter rain and wadi floods · 1 Dec – 31 Mar (usually)This is the wettest corner of the Emirates, and a day of rain on the Hajar mountains sends water down the wadis fast enough to cut the roads.85climate
  7. 🇸🇦 Mecca, Saudi ArabiaWinter flash floods · 1 Nov – 31 Jan (usually)The valley takes most of its rain in a handful of storms and the runoff comes off bare rock into the streets, shutting underpasses and approach roads for a few hours.83climate
  8. 🇯🇴 Petra, JordanFlash-flood closures · 1 Nov – 31 MarThe Siq is a drain for a wide catchment, and after heavy rain on the plateau the authority evacuates the site with little warning.82climate
  9. 🇯🇴 Wadi Rum, JordanFlash floods in the wadis · 1 Nov – 31 Mar (usually)Rain on the plateau runs off bare rock and fills the wadis within minutes, and the desert tracks and the road in can both be cut for a day.78climate
  10. 🇧🇷 São Paulo, BrazilSummer storms and flooding · 1 Dec – 31 Mar (usually)Late-afternoon storms most days through the southern summer, and the ones that stall put the Tiete and the marginais under water and the traffic at a standstill for hours.72climate
  11. 🇻🇳 Ho Chi Minh City, VietnamPeak tide flooding · 15 Sep – 15 Dec (usually)The year's highest tides push the river back into District 7, Nha Be and Binh Chanh, usually around the new and full moons.69climate
  12. 🇿🇲 Lusaka, ZambiaRainy-season flooding · 1 Dec – 31 Mar (usually)Poor drainage and dense informal settlements mean heavy rains regularly submerge roads and low-lying suburbs each rainy season.69climate
  13. 🇦🇷 Salta, ArgentinaSummer rain closes the mountain roads · 15 Dec – 15 Mar (usually)Storms in the southern summer send debris over the Cuesta del Obispo and the road down to Cafayate, and either can shut for a day.66climate
  14. 🇳🇿 Franz Josef, New ZealandHighway closures in heavy rain · 1 Jan – 31 DecThere is one road in and one road out, and a big West Coast rain event closes it north or south of the village a few times a year.64climate
  15. 🇮🇹 Como, ItalyLake floods the lakefront · 1 Oct – 15 Dec (usually)Autumn rain lifts the lake over the walls into Piazza Cavour most years, which is why the city has spent two decades building barriers.61climate
  16. 🇻🇳 Phong Nha, VietnamFlood closures in the caves · 1 Sep – 15 Dec (usually)The wet months put the Son and Chay rivers up through the show caves and the big expeditions stop entirely.61climate
  17. 🇦🇺 Uluru, AustraliaSummer storms and waterfalls · 1 Dec – 15 Mar (usually)Thunderstorms come off the desert in the hot months and the rock runs with waterfalls for a few hours, which is the sight nobody plans for.59climate
  18. 🇺🇸 Congaree National Park, United StatesFloodwater on the boardwalk · 1 Dec – 30 Apr (usually)The floodplain takes water about ten times a year, most often in the wet half, and a rise puts the backcountry trails and parts of the boardwalk underwater.59climate
  19. 🇮🇹 Venice, ItalyAcqua alta season · 1 Oct – 15 Jan (usually)High water comes with the autumn tides.58climate
  20. 🇻🇳 Hue, VietnamFlood season · 25 Sep – 15 Dec (usually)Hue is the wettest city in the country and the Perfume River comes up into the low streets most years, sometimes for days.57climate
  21. 🇧🇷 Rio de Janeiro, BrazilLate-afternoon storms · 1 Dec – 31 Mar (usually)Summer heat builds into heavy storms that arrive in the late afternoon and can flood the road tunnels and the north zone within an hour, then clear.56climate
  22. 🇦🇷 Puerto Iguazú, ArgentinaGarganta walkway shut in flood · 1 Nov – 30 Apr (usually)Summer rain upriver can put the Iguazu over the catwalk to the Devil's Throat balcony, and the circuit shuts until the flow drops.55climate
  23. 🇧🇷 Foz do Iguaçu, BrazilDevil's Throat walkway shut · 1 Nov – 30 Apr (usually)When the Iguacu runs above the safe limit the catwalk out to the Devil's Throat closes on both sides, sometimes for days.55climate
  24. 🇧🇷 Paraty, BrazilSea into the streets · 1 Jan – 31 DecThe colonial centre was laid below the spring-tide line on purpose, so around the full and new moons the sea comes up through the seawall openings and drains back out, taking the day's dirt with it.55climate
  25. 🇻🇳 Hội An, VietnamOld town flood season · 1 Oct – 15 Dec (usually)The Thu Bon comes up into the lanes nearest the water most years, usually for one to three days at a time.54climate

…and 7 more in December.

What's on around the world in December →