Saison des orages, mois par mois dans le monde

Tornades, derechos, grêle — les après-midi où l’on surveille le ciel.

Cette page est un avertissement, pas une recommandation. Saison des orages concerne 41 destinations sur SeasonMap ; les mois ci-dessous sont ceux où la période de risque est ouverte — la plupart des semaines passent sans histoire, et le score affiché à côté de chaque lieu reste le score climatique habituel, risque compris.

← Toutes les saisonsLe calendrier du monde

Quand ça a lieu

Nombre de destinations concernées (saison des orages) ce mois-là. Les périodes bougent un peu chaque année.

Saison des orages en janvier

  1. Ezulwini Valley 🇸🇿 EswatiniThunderstorm and lightning season · 15 oct. – 31 mars (en général)Eswatini has recorded one of the world's highest lightning death rates, almost all in afternoon summer storms.82
  2. Johannesbourg 🇿🇦 Afrique du SudHighveld afternoon storms · 15 oct. – 15 mars (en général)Storms build over the reef most summer afternoons: hail, lightning and intersections under water for an hour.80
  3. Costa da Caparica 🇵🇹 PortugalWinter storms and erosion · 1 nov. – 15 marsAtlantic depressions push straight onto this coast and take the sand with them; sections of the boardwalk and the beach access stairs are regularly closed for repair after a bad week.77
  4. Pretoria 🇿🇦 Afrique du SudAfternoon thunderstorms · 15 oct. – 15 mars (en général)Storms come off the Magaliesberg most summer afternoons: hail, lightning and half an hour of water the stormwater drains cannot take.77
  5. Drakensberg 🇿🇦 Afrique du SudAfternoon thunderstorms · 1 nov. – 28 févr. (en général)Storms build over the escarpment most summer afternoons, with lightning on the tops, hail and water coming down the gullies within minutes.76
  6. Córdoba 🇦🇷 ArgentineHail and summer storms · 1 nov. – 28 févr. (en général)The sierras west of the city build some of the most violent storms anywhere: hail big enough to write off parked cars, and flash floods in the valley rivers that catch swimmers downstream of dry-looking weather.75
  7. Mbabane 🇸🇿 EswatiniThunderstorm and lightning season · 1 oct. – 31 mars (en général)Afternoon thunderstorms over the highveld are frequent in summer, and Eswatini has recorded one of the highest lightning death rates anywhere.75
  8. Durban 🇿🇦 Afrique du SudSummer storm and flood season · 1 nov. – 31 mars (en général)KwaZulu-Natal's rain comes as violent afternoon storms and, every few years, as the kind of flooding that takes out roads and closes the beaches to swimming for days on hygiene grounds.72
  9. Hervey Bay 🇦🇺 AustralieStorm season · 1 nov. – 30 avr.Queensland's storm season runs November to April, and this stretch of coast sees the tail of systems that cross further north as much as it sees cyclones of its own.70
  10. Brisbane 🇦🇺 AustralieStorm season · 1 nov. – 30 avr.Queensland's storm season runs November to April.68
  11. Mlilwane Wildlife Sanctuary 🇸🇿 EswatiniSummer thunderstorm season · 15 oct. – 28 févr. (en général)Most of the year's rain falls in violent afternoon thunderstorms with frequent lightning.63
  12. La Rochelle 🇫🇷 FranceAtlantic storm season · 1 nov. – 28 févr. (en général)Depressions come in off the Atlantic all winter, and on a high spring tide the sea gets over the sea wall on the Vieux Port.58
  13. Dingle 🇮🇪 IrlandeAtlantic storm season · 15 oct. – 28 févr. (en général)Named lows come in off the ocean from mid-autumn and the peninsula takes them first.55
  14. Seattle 🇺🇸 États-UnisWinter storms and pass closures · 1 nov. – 28 févr. (en général)Atmospheric rivers bring wind, flooding and power cuts through the dark months, and Snoqualmie and Stevens close for hours at a time for avalanche control.52
  15. Ostende 🇧🇪 BelgiqueNorth Sea gales · 15 oct. – 15 marsAutumn and winter depressions come straight in off the North Sea and the sea dyke gets closed when a storm surge is forecast.49
  16. Clifden 🇮🇪 IrlandeAtlantic gale season · 15 oct. – 15 mars (en général)Named storms come in off the ocean with nothing between here and Newfoundland to slow them.49
  17. Tórshavn Îles FéroéAtlantic gale season · 1 oct. – 31 mars (en général)Autumn and winter lows cancel the inter-island ferries, the helicopter and the flights into Vagar, sometimes for two days together.45
  18. Ålesund 🇳🇴 NorvègeAtlantic gale season · 15 oct. – 28 févr. (en général)The exposed coast takes named Atlantic lows from mid-autumn, and the first thing they cancel is the ferry and the fjord sailings rather than the flights.26
  19. Svolvær 🇳🇴 NorvègeWinter gales · 15 oct. – 15 mars (en général)Atlantic lows shut the mountain passes on the E10 and cancel the small-plane flights into Svolvaer for a day at a time.20

Au programme dans le monde en janvier →

Saison des orages en février

  1. Johannesbourg 🇿🇦 Afrique du SudHighveld afternoon storms · 15 oct. – 15 mars (en général)Storms build over the reef most summer afternoons: hail, lightning and intersections under water for an hour.82
  2. Costa da Caparica 🇵🇹 PortugalWinter storms and erosion · 1 nov. – 15 marsAtlantic depressions push straight onto this coast and take the sand with them; sections of the boardwalk and the beach access stairs are regularly closed for repair after a bad week.81
  3. Ezulwini Valley 🇸🇿 EswatiniThunderstorm and lightning season · 15 oct. – 31 mars (en général)Eswatini has recorded one of the world's highest lightning death rates, almost all in afternoon summer storms.80
  4. Córdoba 🇦🇷 ArgentineHail and summer storms · 1 nov. – 28 févr. (en général)The sierras west of the city build some of the most violent storms anywhere: hail big enough to write off parked cars, and flash floods in the valley rivers that catch swimmers downstream of dry-looking weather.77
  5. Pretoria 🇿🇦 Afrique du SudAfternoon thunderstorms · 15 oct. – 15 mars (en général)Storms come off the Magaliesberg most summer afternoons: hail, lightning and half an hour of water the stormwater drains cannot take.77
  6. Drakensberg 🇿🇦 Afrique du SudAfternoon thunderstorms · 1 nov. – 28 févr. (en général)Storms build over the escarpment most summer afternoons, with lightning on the tops, hail and water coming down the gullies within minutes.77
  7. Mbabane 🇸🇿 EswatiniThunderstorm and lightning season · 1 oct. – 31 mars (en général)Afternoon thunderstorms over the highveld are frequent in summer, and Eswatini has recorded one of the highest lightning death rates anywhere.75
  8. Durban 🇿🇦 Afrique du SudSummer storm and flood season · 1 nov. – 31 mars (en général)KwaZulu-Natal's rain comes as violent afternoon storms and, every few years, as the kind of flooding that takes out roads and closes the beaches to swimming for days on hygiene grounds.69
  9. Hervey Bay 🇦🇺 AustralieStorm season · 1 nov. – 30 avr.Queensland's storm season runs November to April, and this stretch of coast sees the tail of systems that cross further north as much as it sees cyclones of its own.69
  10. Brisbane 🇦🇺 AustralieStorm season · 1 nov. – 30 avr.Queensland's storm season runs November to April.66
  11. La Rochelle 🇫🇷 FranceAtlantic storm season · 1 nov. – 28 févr. (en général)Depressions come in off the Atlantic all winter, and on a high spring tide the sea gets over the sea wall on the Vieux Port.66
  12. Mlilwane Wildlife Sanctuary 🇸🇿 EswatiniSummer thunderstorm season · 15 oct. – 28 févr. (en général)Most of the year's rain falls in violent afternoon thunderstorms with frequent lightning.61
  13. Dingle 🇮🇪 IrlandeAtlantic storm season · 15 oct. – 28 févr. (en général)Named lows come in off the ocean from mid-autumn and the peninsula takes them first.60
  14. Ostende 🇧🇪 BelgiqueNorth Sea gales · 15 oct. – 15 marsAutumn and winter depressions come straight in off the North Sea and the sea dyke gets closed when a storm surge is forecast.59
  15. Seattle 🇺🇸 États-UnisWinter storms and pass closures · 1 nov. – 28 févr. (en général)Atmospheric rivers bring wind, flooding and power cuts through the dark months, and Snoqualmie and Stevens close for hours at a time for avalanche control.58
  16. Tórshavn Îles FéroéAtlantic gale season · 1 oct. – 31 mars (en général)Autumn and winter lows cancel the inter-island ferries, the helicopter and the flights into Vagar, sometimes for two days together.53
  17. Clifden 🇮🇪 IrlandeAtlantic gale season · 15 oct. – 15 mars (en général)Named storms come in off the ocean with nothing between here and Newfoundland to slow them.53
  18. Ålesund 🇳🇴 NorvègeAtlantic gale season · 15 oct. – 28 févr. (en général)The exposed coast takes named Atlantic lows from mid-autumn, and the first thing they cancel is the ferry and the fjord sailings rather than the flights.41
  19. Svolvær 🇳🇴 NorvègeWinter gales · 15 oct. – 15 mars (en général)Atlantic lows shut the mountain passes on the E10 and cancel the small-plane flights into Svolvaer for a day at a time.32

Au programme dans le monde en février →

Saison des orages en mars

  1. Johannesbourg 🇿🇦 Afrique du SudHighveld afternoon storms · 15 oct. – 15 mars (en général)Storms build over the reef most summer afternoons: hail, lightning and intersections under water for an hour.87
  2. Ezulwini Valley 🇸🇿 EswatiniThunderstorm and lightning season · 15 oct. – 31 mars (en général)Eswatini has recorded one of the world's highest lightning death rates, almost all in afternoon summer storms.87
  3. Costa da Caparica 🇵🇹 PortugalWinter storms and erosion · 1 nov. – 15 marsAtlantic depressions push straight onto this coast and take the sand with them; sections of the boardwalk and the beach access stairs are regularly closed for repair after a bad week.83
  4. Pretoria 🇿🇦 Afrique du SudAfternoon thunderstorms · 15 oct. – 15 mars (en général)Storms come off the Magaliesberg most summer afternoons: hail, lightning and half an hour of water the stormwater drains cannot take.83
  5. Mbabane 🇸🇿 EswatiniThunderstorm and lightning season · 1 oct. – 31 mars (en général)Afternoon thunderstorms over the highveld are frequent in summer, and Eswatini has recorded one of the highest lightning death rates anywhere.83
  6. Atlanta 🇺🇸 États-UnisSpring severe-storm season · 1 mars – 15 mai (en général)North Georgia's tornado and hail season runs through spring, and the warnings here come overnight as often as in the afternoon.79
  7. Memphis 🇺🇸 États-UnisSpring storm season · 15 mars – 31 mai (en général)Late winter and spring bring the line squalls that flood the streets and take the power out for days, and the Mississippi runs its highest in the same weeks.74
  8. Durban 🇿🇦 Afrique du SudSummer storm and flood season · 1 nov. – 31 mars (en général)KwaZulu-Natal's rain comes as violent afternoon storms and, every few years, as the kind of flooding that takes out roads and closes the beaches to swimming for days on hygiene grounds.74
  9. Kansas City 🇺🇸 États-UnisSpring storm season · 15 mars – 15 juin (en général)The wettest and stormiest stretch of the year, with hail, tornado warnings and flash flooding on the creeks.74
  10. Nashville 🇺🇸 États-UnisSpring storm season · 15 mars – 20 mai (en général)Middle Tennessee gets its severe weather in spring: squall lines, tornado warnings and the flooding that put downtown under water in 2010.73
  11. Calcutta 🇮🇳 IndeKalbaisakhi storm season · 20 mars – 20 mai (en général)Late-afternoon squall lines come out of the northwest through the hot months, drop the temperature in minutes and take trees and hoardings down with them.71
  12. Saint-Louis 🇺🇸 États-UnisSevere storm season · 15 mars – 15 juin (en général)Spring is when the warm Gulf air meets the cold front over the Mississippi valley, and the region sits at the eastern edge of tornado country.69
  13. Hervey Bay 🇦🇺 AustralieStorm season · 1 nov. – 30 avr.Queensland's storm season runs November to April, and this stretch of coast sees the tail of systems that cross further north as much as it sees cyclones of its own.66
  14. Ostende 🇧🇪 BelgiqueNorth Sea gales · 15 oct. – 15 marsAutumn and winter depressions come straight in off the North Sea and the sea dyke gets closed when a storm surge is forecast.66
  15. Brisbane 🇦🇺 AustralieStorm season · 1 nov. – 30 avr.Queensland's storm season runs November to April.64
  16. Clifden 🇮🇪 IrlandeAtlantic gale season · 15 oct. – 15 mars (en général)Named storms come in off the ocean with nothing between here and Newfoundland to slow them.61
  17. Tórshavn Îles FéroéAtlantic gale season · 1 oct. – 31 mars (en général)Autumn and winter lows cancel the inter-island ferries, the helicopter and the flights into Vagar, sometimes for two days together.60
  18. Svolvær 🇳🇴 NorvègeWinter gales · 15 oct. – 15 mars (en général)Atlantic lows shut the mountain passes on the E10 and cancel the small-plane flights into Svolvaer for a day at a time.42

Au programme dans le monde en mars →

Saison des orages en avril

  1. Atlanta 🇺🇸 États-UnisSpring severe-storm season · 1 mars – 15 mai (en général)North Georgia's tornado and hail season runs through spring, and the warnings here come overnight as often as in the afternoon.90
  2. Dallas 🇺🇸 États-UnisSevere storm season · 1 avr. – 15 juinNorth Texas sits at the southern end of tornado alley and April to early June is when the supercells come through, usually late afternoon.88
  3. Memphis 🇺🇸 États-UnisSpring storm season · 15 mars – 31 mai (en général)Late winter and spring bring the line squalls that flood the streets and take the power out for days, and the Mississippi runs its highest in the same weeks.85
  4. Brisbane 🇦🇺 AustralieStorm season · 1 nov. – 30 avr.Queensland's storm season runs November to April.84
  5. Austin 🇺🇸 États-UnisFlash Flood Alley · 15 avr. – 15 juin (en général)Hill Country limestone sheds rain instead of soaking it up, and a spring storm can put the low water crossings under in minutes.84
  6. Kansas City 🇺🇸 États-UnisSpring storm season · 15 mars – 15 juin (en général)The wettest and stormiest stretch of the year, with hail, tornado warnings and flash flooding on the creeks.84
  7. Nashville 🇺🇸 États-UnisSpring storm season · 15 mars – 20 mai (en général)Middle Tennessee gets its severe weather in spring: squall lines, tornado warnings and the flooding that put downtown under water in 2010.82
  8. Hervey Bay 🇦🇺 AustralieStorm season · 1 nov. – 30 avr.Queensland's storm season runs November to April, and this stretch of coast sees the tail of systems that cross further north as much as it sees cyclones of its own.82
  9. Saint-Louis 🇺🇸 États-UnisSevere storm season · 15 mars – 15 juin (en général)Spring is when the warm Gulf air meets the cold front over the Mississippi valley, and the region sits at the eastern edge of tornado country.80
  10. Indianapolis 🇺🇸 États-UnisSpring storm season · 1 avr. – 30 juin (en général)Central Indiana's severe weather builds through spring and peaks in May and June: squall lines, hail and tornado warnings that can halt practice at the Speedway.74
  11. Calcutta 🇮🇳 IndeKalbaisakhi storm season · 20 mars – 20 mai (en général)Late-afternoon squall lines come out of the northwest through the hot months, drop the temperature in minutes and take trees and hoardings down with them.59

Au programme dans le monde en avril →

Saison des orages en mai

  1. Nashville 🇺🇸 États-UnisSpring storm season · 15 mars – 20 mai (en général)Middle Tennessee gets its severe weather in spring: squall lines, tornado warnings and the flooding that put downtown under water in 2010.88
  2. Kansas City 🇺🇸 États-UnisSpring storm season · 15 mars – 15 juin (en général)The wettest and stormiest stretch of the year, with hail, tornado warnings and flash flooding on the creeks.88
  3. Indianapolis 🇺🇸 États-UnisSpring storm season · 1 avr. – 30 juin (en général)Central Indiana's severe weather builds through spring and peaks in May and June: squall lines, hail and tornado warnings that can halt practice at the Speedway.88
  4. Saint-Louis 🇺🇸 États-UnisSevere storm season · 15 mars – 15 juin (en général)Spring is when the warm Gulf air meets the cold front over the Mississippi valley, and the region sits at the eastern edge of tornado country.87
  5. Atlanta 🇺🇸 États-UnisSpring severe-storm season · 1 mars – 15 mai (en général)North Georgia's tornado and hail season runs through spring, and the warnings here come overnight as often as in the afternoon.84
  6. Memphis 🇺🇸 États-UnisSpring storm season · 15 mars – 31 mai (en général)Late winter and spring bring the line squalls that flood the streets and take the power out for days, and the Mississippi runs its highest in the same weeks.83
  7. Valparaíso 🇨🇱 ChiliWinter storms and heavy swell · 15 mai – 31 août (en général)Frontal systems bring downpours that flood the lower streets and swells that batter the seafront.82
  8. Dallas 🇺🇸 États-UnisSevere storm season · 1 avr. – 15 juinNorth Texas sits at the southern end of tornado alley and April to early June is when the supercells come through, usually late afternoon.75
  9. Austin 🇺🇸 États-UnisFlash Flood Alley · 15 avr. – 15 juin (en général)Hill Country limestone sheds rain instead of soaking it up, and a spring storm can put the low water crossings under in minutes.69
  10. Calcutta 🇮🇳 IndeKalbaisakhi storm season · 20 mars – 20 mai (en général)Late-afternoon squall lines come out of the northwest through the hot months, drop the temperature in minutes and take trees and hoardings down with them.52

Au programme dans le monde en mai →

Saison des orages en juin

  1. Indianapolis 🇺🇸 États-UnisSpring storm season · 1 avr. – 30 juin (en général)Central Indiana's severe weather builds through spring and peaks in May and June: squall lines, hail and tornado warnings that can halt practice at the Speedway.79
  2. Saint-Louis 🇺🇸 États-UnisSevere storm season · 15 mars – 15 juin (en général)Spring is when the warm Gulf air meets the cold front over the Mississippi valley, and the region sits at the eastern edge of tornado country.76
  3. Kansas City 🇺🇸 États-UnisSpring storm season · 15 mars – 15 juin (en général)The wettest and stormiest stretch of the year, with hail, tornado warnings and flash flooding on the creeks.76
  4. Parc national des Indiana Dunes 🇺🇸 États-UnisLake Michigan rip currents · 1 juin – 31 oct. (en général)North winds set up structural currents along the piers and breakwaters that drown people here most years, and outside the lifeguarded weeks nobody is watching.75
  5. Valparaíso 🇨🇱 ChiliWinter storms and heavy swell · 15 mai – 31 août (en général)Frontal systems bring downpours that flood the lower streets and swells that batter the seafront.74
  6. Dallas 🇺🇸 États-UnisSevere storm season · 1 avr. – 15 juinNorth Texas sits at the southern end of tornado alley and April to early June is when the supercells come through, usually late afternoon.64
  7. Austin 🇺🇸 États-UnisFlash Flood Alley · 15 avr. – 15 juin (en général)Hill Country limestone sheds rain instead of soaking it up, and a spring storm can put the low water crossings under in minutes.59
  8. Sarasota 🇺🇸 États-UnisAfternoon storm season · 1 juin – 30 sept.A thunderstorm most afternoons, usually over by six, and this stretch of coast gets more lightning than anywhere else in the country.56

Au programme dans le monde en juin →

Saison des orages en juillet

  1. Boulder 🇺🇸 États-UnisAfternoon thunderstorms · 1 juil. – 31 août (en général)Storms build over the Divide most afternoons and reach the foothills between one and four, with lightning that kills hikers on exposed ridges every few years.84
  2. Denver 🇺🇸 États-UnisAfternoon monsoon storms · 5 juil. – 5 sept. (en général)Moisture pulled up from the southwest sets off thunderstorms most afternoons in high summer.81
  3. Parc national de Rocky Mountain 🇺🇸 États-UnisAfternoon lightning season · 5 juil. – 5 sept. (en général)Storms build over the divide almost every summer afternoon and the tundra is the highest ground for miles with no shelter on it.79
  4. Parc national du Grand Bassin 🇺🇸 États-UnisAfternoon storms on Wheeler Peak · 1 juil. – 10 sept. (en général)Fierce afternoon thunderstorms are common in summer, most of all in July and August, and the summit trail runs above treeline; start at dawn and be off the exposed ridge by midday.78
  5. Aspen 🇺🇸 États-UnisAfternoon monsoon storms · 5 juil. – 5 sept. (en général)Midsummer pulls moisture up the Rockies and builds thunderheads over the peaks most afternoons.77
  6. Valparaíso 🇨🇱 ChiliWinter storms and heavy swell · 15 mai – 31 août (en général)Frontal systems bring downpours that flood the lower streets and swells that batter the seafront.77
  7. Parc national de Bryce Canyon 🇺🇸 États-UnisMonsoon afternoon storms · 10 juil. – 10 sept. (en général)Thunderstorms build over the plateau most summer afternoons and the rim is the highest thing for miles.76
  8. Parc national et réserve des Great Sand Dunes 🇺🇸 États-UnisAfternoon lightning on the dunes · 1 juil. – 31 août (en général)You are the tallest thing standing on an open sand field, and monsoon storms build over the Sangre de Cristos most July and August afternoons.75
  9. Parc national de Mesa Verde 🇺🇸 États-UnisSummer monsoon · 5 juil. – 10 sept. (en général)Afternoon thunderstorms build over the mesa most days from early July.73
  10. Parc national des Indiana Dunes 🇺🇸 États-UnisLake Michigan rip currents · 1 juin – 31 oct. (en général)North winds set up structural currents along the piers and breakwaters that drown people here most years, and outside the lifeguarded weeks nobody is watching.66
  11. Parc national de Petrified Forest 🇺🇸 États-UnisMonsoon thunderstorms · 1 juil. – 15 sept. (en général)Afternoon storms build fast over the plateau from July, and the badlands offer no shelter from lightning on the trails at Blue Mesa or the Wilderness.62
  12. Sarasota 🇺🇸 États-UnisAfternoon storm season · 1 juin – 30 sept.A thunderstorm most afternoons, usually over by six, and this stretch of coast gets more lightning than anywhere else in the country.54
  13. Parc national des White Sands 🇺🇸 États-UnisMonsoon thunderstorms · 1 juil. – 15 sept. (en général)Storms build over the Sacramento and San Andres mountains and cross the basin most summer afternoons, and the dunes are the highest thing standing for miles.53

Au programme dans le monde en juillet →

Saison des orages en août

  1. Boulder 🇺🇸 États-UnisAfternoon thunderstorms · 1 juil. – 31 août (en général)Storms build over the Divide most afternoons and reach the foothills between one and four, with lightning that kills hikers on exposed ridges every few years.87
  2. Denver 🇺🇸 États-UnisAfternoon monsoon storms · 5 juil. – 5 sept. (en général)Moisture pulled up from the southwest sets off thunderstorms most afternoons in high summer.84
  3. Aspen 🇺🇸 États-UnisAfternoon monsoon storms · 5 juil. – 5 sept. (en général)Midsummer pulls moisture up the Rockies and builds thunderheads over the peaks most afternoons.80
  4. Valparaíso 🇨🇱 ChiliWinter storms and heavy swell · 15 mai – 31 août (en général)Frontal systems bring downpours that flood the lower streets and swells that batter the seafront.80
  5. Parc national et réserve des Great Sand Dunes 🇺🇸 États-UnisAfternoon lightning on the dunes · 1 juil. – 31 août (en général)You are the tallest thing standing on an open sand field, and monsoon storms build over the Sangre de Cristos most July and August afternoons.79
  6. Parc national de Bryce Canyon 🇺🇸 États-UnisMonsoon afternoon storms · 10 juil. – 10 sept. (en général)Thunderstorms build over the plateau most summer afternoons and the rim is the highest thing for miles.78
  7. Parc national de Rocky Mountain 🇺🇸 États-UnisAfternoon lightning season · 5 juil. – 5 sept. (en général)Storms build over the divide almost every summer afternoon and the tundra is the highest ground for miles with no shelter on it.77
  8. Parc national de Mesa Verde 🇺🇸 États-UnisSummer monsoon · 5 juil. – 10 sept. (en général)Afternoon thunderstorms build over the mesa most days from early July.77
  9. Parc national du Grand Bassin 🇺🇸 États-UnisAfternoon storms on Wheeler Peak · 1 juil. – 10 sept. (en général)Fierce afternoon thunderstorms are common in summer, most of all in July and August, and the summit trail runs above treeline; start at dawn and be off the exposed ridge by midday.75
  10. Parc national de Petrified Forest 🇺🇸 États-UnisMonsoon thunderstorms · 1 juil. – 15 sept. (en général)Afternoon storms build fast over the plateau from July, and the badlands offer no shelter from lightning on the trails at Blue Mesa or the Wilderness.71
  11. Parc national des Indiana Dunes 🇺🇸 États-UnisLake Michigan rip currents · 1 juin – 31 oct. (en général)North winds set up structural currents along the piers and breakwaters that drown people here most years, and outside the lifeguarded weeks nobody is watching.69
  12. Parc national des White Sands 🇺🇸 États-UnisMonsoon thunderstorms · 1 juil. – 15 sept. (en général)Storms build over the Sacramento and San Andres mountains and cross the basin most summer afternoons, and the dunes are the highest thing standing for miles.61
  13. Sarasota 🇺🇸 États-UnisAfternoon storm season · 1 juin – 30 sept.A thunderstorm most afternoons, usually over by six, and this stretch of coast gets more lightning than anywhere else in the country.47

Au programme dans le monde en août →

Saison des orages en septembre

  1. Denver 🇺🇸 États-UnisAfternoon monsoon storms · 5 juil. – 5 sept. (en général)Moisture pulled up from the southwest sets off thunderstorms most afternoons in high summer.90
  2. Parc national de Mesa Verde 🇺🇸 États-UnisSummer monsoon · 5 juil. – 10 sept. (en général)Afternoon thunderstorms build over the mesa most days from early July.81
  3. Parc national des Indiana Dunes 🇺🇸 États-UnisLake Michigan rip currents · 1 juin – 31 oct. (en général)North winds set up structural currents along the piers and breakwaters that drown people here most years, and outside the lifeguarded weeks nobody is watching.78
  4. Parc national de Petrified Forest 🇺🇸 États-UnisMonsoon thunderstorms · 1 juil. – 15 sept. (en général)Afternoon storms build fast over the plateau from July, and the badlands offer no shelter from lightning on the trails at Blue Mesa or the Wilderness.75
  5. Aspen 🇺🇸 États-UnisAfternoon monsoon storms · 5 juil. – 5 sept. (en général)Midsummer pulls moisture up the Rockies and builds thunderheads over the peaks most afternoons.74
  6. Parc national de Bryce Canyon 🇺🇸 États-UnisMonsoon afternoon storms · 10 juil. – 10 sept. (en général)Thunderstorms build over the plateau most summer afternoons and the rim is the highest thing for miles.74
  7. Parc national de Rocky Mountain 🇺🇸 États-UnisAfternoon lightning season · 5 juil. – 5 sept. (en général)Storms build over the divide almost every summer afternoon and the tundra is the highest ground for miles with no shelter on it.71
  8. Parc national des White Sands 🇺🇸 États-UnisMonsoon thunderstorms · 1 juil. – 15 sept. (en général)Storms build over the Sacramento and San Andres mountains and cross the basin most summer afternoons, and the dunes are the highest thing standing for miles.71
  9. Parc national du Grand Bassin 🇺🇸 États-UnisAfternoon storms on Wheeler Peak · 1 juil. – 10 sept. (en général)Fierce afternoon thunderstorms are common in summer, most of all in July and August, and the summit trail runs above treeline; start at dawn and be off the exposed ridge by midday.69
  10. Sarasota 🇺🇸 États-UnisAfternoon storm season · 1 juin – 30 sept.A thunderstorm most afternoons, usually over by six, and this stretch of coast gets more lightning than anywhere else in the country.58

Au programme dans le monde en septembre →

Saison des orages en octobre

  1. Mbabane 🇸🇿 EswatiniThunderstorm and lightning season · 1 oct. – 31 mars (en général)Afternoon thunderstorms over the highveld are frequent in summer, and Eswatini has recorded one of the highest lightning death rates anywhere.88
  2. Ezulwini Valley 🇸🇿 EswatiniThunderstorm and lightning season · 15 oct. – 31 mars (en général)Eswatini has recorded one of the world's highest lightning death rates, almost all in afternoon summer storms.87
  3. Johannesbourg 🇿🇦 Afrique du SudHighveld afternoon storms · 15 oct. – 15 mars (en général)Storms build over the reef most summer afternoons: hail, lightning and intersections under water for an hour.86
  4. Pretoria 🇿🇦 Afrique du SudAfternoon thunderstorms · 15 oct. – 15 mars (en général)Storms come off the Magaliesberg most summer afternoons: hail, lightning and half an hour of water the stormwater drains cannot take.86
  5. Mlilwane Wildlife Sanctuary 🇸🇿 EswatiniSummer thunderstorm season · 15 oct. – 28 févr. (en général)Most of the year's rain falls in violent afternoon thunderstorms with frequent lightning.75
  6. Ostende 🇧🇪 BelgiqueNorth Sea gales · 15 oct. – 15 marsAutumn and winter depressions come straight in off the North Sea and the sea dyke gets closed when a storm surge is forecast.70
  7. Dingle 🇮🇪 IrlandeAtlantic storm season · 15 oct. – 28 févr. (en général)Named lows come in off the ocean from mid-autumn and the peninsula takes them first.68
  8. Parc national des Indiana Dunes 🇺🇸 États-UnisLake Michigan rip currents · 1 juin – 31 oct. (en général)North winds set up structural currents along the piers and breakwaters that drown people here most years, and outside the lifeguarded weeks nobody is watching.62
  9. Tórshavn Îles FéroéAtlantic gale season · 1 oct. – 31 mars (en général)Autumn and winter lows cancel the inter-island ferries, the helicopter and the flights into Vagar, sometimes for two days together.62
  10. Clifden 🇮🇪 IrlandeAtlantic gale season · 15 oct. – 15 mars (en général)Named storms come in off the ocean with nothing between here and Newfoundland to slow them.59
  11. Ålesund 🇳🇴 NorvègeAtlantic gale season · 15 oct. – 28 févr. (en général)The exposed coast takes named Atlantic lows from mid-autumn, and the first thing they cancel is the ferry and the fjord sailings rather than the flights.48
  12. Svolvær 🇳🇴 NorvègeWinter gales · 15 oct. – 15 mars (en général)Atlantic lows shut the mountain passes on the E10 and cancel the small-plane flights into Svolvaer for a day at a time.47

Au programme dans le monde en octobre →

Saison des orages en novembre

  1. Ezulwini Valley 🇸🇿 EswatiniThunderstorm and lightning season · 15 oct. – 31 mars (en général)Eswatini has recorded one of the world's highest lightning death rates, almost all in afternoon summer storms.86
  2. Córdoba 🇦🇷 ArgentineHail and summer storms · 1 nov. – 28 févr. (en général)The sierras west of the city build some of the most violent storms anywhere: hail big enough to write off parked cars, and flash floods in the valley rivers that catch swimmers downstream of dry-looking weather.85
  3. Mbabane 🇸🇿 EswatiniThunderstorm and lightning season · 1 oct. – 31 mars (en général)Afternoon thunderstorms over the highveld are frequent in summer, and Eswatini has recorded one of the highest lightning death rates anywhere.84
  4. Johannesbourg 🇿🇦 Afrique du SudHighveld afternoon storms · 15 oct. – 15 mars (en général)Storms build over the reef most summer afternoons: hail, lightning and intersections under water for an hour.83
  5. Drakensberg 🇿🇦 Afrique du SudAfternoon thunderstorms · 1 nov. – 28 févr. (en général)Storms build over the escarpment most summer afternoons, with lightning on the tops, hail and water coming down the gullies within minutes.83
  6. Pretoria 🇿🇦 Afrique du SudAfternoon thunderstorms · 15 oct. – 15 mars (en général)Storms come off the Magaliesberg most summer afternoons: hail, lightning and half an hour of water the stormwater drains cannot take.82
  7. Durban 🇿🇦 Afrique du SudSummer storm and flood season · 1 nov. – 31 mars (en général)KwaZulu-Natal's rain comes as violent afternoon storms and, every few years, as the kind of flooding that takes out roads and closes the beaches to swimming for days on hygiene grounds.81
  8. Costa da Caparica 🇵🇹 PortugalWinter storms and erosion · 1 nov. – 15 marsAtlantic depressions push straight onto this coast and take the sand with them; sections of the boardwalk and the beach access stairs are regularly closed for repair after a bad week.79
  9. Brisbane 🇦🇺 AustralieStorm season · 1 nov. – 30 avr.Queensland's storm season runs November to April.78
  10. Hervey Bay 🇦🇺 AustralieStorm season · 1 nov. – 30 avr.Queensland's storm season runs November to April, and this stretch of coast sees the tail of systems that cross further north as much as it sees cyclones of its own.78
  11. Mlilwane Wildlife Sanctuary 🇸🇿 EswatiniSummer thunderstorm season · 15 oct. – 28 févr. (en général)Most of the year's rain falls in violent afternoon thunderstorms with frequent lightning.70
  12. La Rochelle 🇫🇷 FranceAtlantic storm season · 1 nov. – 28 févr. (en général)Depressions come in off the Atlantic all winter, and on a high spring tide the sea gets over the sea wall on the Vieux Port.67
  13. Dingle 🇮🇪 IrlandeAtlantic storm season · 15 oct. – 28 févr. (en général)Named lows come in off the ocean from mid-autumn and the peninsula takes them first.59
  14. Seattle 🇺🇸 États-UnisWinter storms and pass closures · 1 nov. – 28 févr. (en général)Atmospheric rivers bring wind, flooding and power cuts through the dark months, and Snoqualmie and Stevens close for hours at a time for avalanche control.57
  15. Ostende 🇧🇪 BelgiqueNorth Sea gales · 15 oct. – 15 marsAutumn and winter depressions come straight in off the North Sea and the sea dyke gets closed when a storm surge is forecast.57
  16. Tórshavn Îles FéroéAtlantic gale season · 1 oct. – 31 mars (en général)Autumn and winter lows cancel the inter-island ferries, the helicopter and the flights into Vagar, sometimes for two days together.52
  17. Clifden 🇮🇪 IrlandeAtlantic gale season · 15 oct. – 15 mars (en général)Named storms come in off the ocean with nothing between here and Newfoundland to slow them.52
  18. Ålesund 🇳🇴 NorvègeAtlantic gale season · 15 oct. – 28 févr. (en général)The exposed coast takes named Atlantic lows from mid-autumn, and the first thing they cancel is the ferry and the fjord sailings rather than the flights.38
  19. Svolvær 🇳🇴 NorvègeWinter gales · 15 oct. – 15 mars (en général)Atlantic lows shut the mountain passes on the E10 and cancel the small-plane flights into Svolvaer for a day at a time.29

Au programme dans le monde en novembre →

Saison des orages en décembre

  1. Ezulwini Valley 🇸🇿 EswatiniThunderstorm and lightning season · 15 oct. – 31 mars (en général)Eswatini has recorded one of the world's highest lightning death rates, almost all in afternoon summer storms.82
  2. Johannesbourg 🇿🇦 Afrique du SudHighveld afternoon storms · 15 oct. – 15 mars (en général)Storms build over the reef most summer afternoons: hail, lightning and intersections under water for an hour.80
  3. Córdoba 🇦🇷 ArgentineHail and summer storms · 1 nov. – 28 févr. (en général)The sierras west of the city build some of the most violent storms anywhere: hail big enough to write off parked cars, and flash floods in the valley rivers that catch swimmers downstream of dry-looking weather.80
  4. Pretoria 🇿🇦 Afrique du SudAfternoon thunderstorms · 15 oct. – 15 mars (en général)Storms come off the Magaliesberg most summer afternoons: hail, lightning and half an hour of water the stormwater drains cannot take.78
  5. Costa da Caparica 🇵🇹 PortugalWinter storms and erosion · 1 nov. – 15 marsAtlantic depressions push straight onto this coast and take the sand with them; sections of the boardwalk and the beach access stairs are regularly closed for repair after a bad week.76
  6. Mbabane 🇸🇿 EswatiniThunderstorm and lightning season · 1 oct. – 31 mars (en général)Afternoon thunderstorms over the highveld are frequent in summer, and Eswatini has recorded one of the highest lightning death rates anywhere.76
  7. Drakensberg 🇿🇦 Afrique du SudAfternoon thunderstorms · 1 nov. – 28 févr. (en général)Storms build over the escarpment most summer afternoons, with lightning on the tops, hail and water coming down the gullies within minutes.74
  8. Durban 🇿🇦 Afrique du SudSummer storm and flood season · 1 nov. – 31 mars (en général)KwaZulu-Natal's rain comes as violent afternoon storms and, every few years, as the kind of flooding that takes out roads and closes the beaches to swimming for days on hygiene grounds.73
  9. Hervey Bay 🇦🇺 AustralieStorm season · 1 nov. – 30 avr.Queensland's storm season runs November to April, and this stretch of coast sees the tail of systems that cross further north as much as it sees cyclones of its own.72
  10. Brisbane 🇦🇺 AustralieStorm season · 1 nov. – 30 avr.Queensland's storm season runs November to April.71
  11. Mlilwane Wildlife Sanctuary 🇸🇿 EswatiniSummer thunderstorm season · 15 oct. – 28 févr. (en général)Most of the year's rain falls in violent afternoon thunderstorms with frequent lightning.62
  12. La Rochelle 🇫🇷 FranceAtlantic storm season · 1 nov. – 28 févr. (en général)Depressions come in off the Atlantic all winter, and on a high spring tide the sea gets over the sea wall on the Vieux Port.60
  13. Dingle 🇮🇪 IrlandeAtlantic storm season · 15 oct. – 28 févr. (en général)Named lows come in off the ocean from mid-autumn and the peninsula takes them first.53
  14. Ostende 🇧🇪 BelgiqueNorth Sea gales · 15 oct. – 15 marsAutumn and winter depressions come straight in off the North Sea and the sea dyke gets closed when a storm surge is forecast.51
  15. Seattle 🇺🇸 États-UnisWinter storms and pass closures · 1 nov. – 28 févr. (en général)Atmospheric rivers bring wind, flooding and power cuts through the dark months, and Snoqualmie and Stevens close for hours at a time for avalanche control.49
  16. Clifden 🇮🇪 IrlandeAtlantic gale season · 15 oct. – 15 mars (en général)Named storms come in off the ocean with nothing between here and Newfoundland to slow them.46
  17. Tórshavn Îles FéroéAtlantic gale season · 1 oct. – 31 mars (en général)Autumn and winter lows cancel the inter-island ferries, the helicopter and the flights into Vagar, sometimes for two days together.43
  18. Ålesund 🇳🇴 NorvègeAtlantic gale season · 15 oct. – 28 févr. (en général)The exposed coast takes named Atlantic lows from mid-autumn, and the first thing they cancel is the ferry and the fjord sailings rather than the flights.28
  19. Svolvær 🇳🇴 NorvègeWinter gales · 15 oct. – 15 mars (en général)Atlantic lows shut the mountain passes on the E10 and cancel the small-plane flights into Svolvaer for a day at a time.24

Au programme dans le monde en décembre →

Saison des orages, mois par mois dans le monde | SeasonMap