SeasonMap

Sea warm enough, month by month around the world

The months the sea is comfortable without a wetsuit.

168 destinations on SeasonMap, ranked within each month by the comfort score — because the point is not only where the season is on, but whether the weather is worth the trip while it is.

← All seasons · The world's calendar

When it is on

Number of destinations with sea warm enough on in that month. Windows move a little each year.

Sea warm enough in January

  1. 🇳🇿 Auckland, New ZealandSea warm enough to swim · 1 Jan – 15 Apr (usually)The gulf beaches and the harbour are properly swimmable from January into April, and the water is at its warmest well after the school holidays have emptied them.89climate
  2. 🇦🇷 Mar del Plata, ArgentinaSea just about warm enough · 1 Jan – 15 Mar (usually)The water is only really swimmable in January and February, and it stays that way into early March once the crowds have gone.86climate
  3. 🇵🇪 Lima, PeruBeach season on the south coast · 1 Jan – 31 MarThe overcast lifts and Lima decamps to the beach towns south of the city at weekends.85climate
  4. 🇺🇾 Montevideo, UruguayRambla and beach season · 1 Dec – 15 Mar (usually)Pocitos and Malvin fill up once the water warms, and the rambla is the city's living room from late afternoon until dark.83climate
  5. 🇦🇺 Sydney, AustraliaWarmest sea of the year · 15 Jan – 31 Mar (usually)The ocean pools and the harbour beaches are at their best from mid-January into March, well after the school holiday crowds have gone back.82climate
  6. 🇪🇨 Puerto Ayora, EcuadorWarm season and calm crossings · 15 Dec – 31 MayWarmer water, flatter seas and short heavy showers that green the islands.74climate
  7. 🇿🇦 Durban, South AfricaSwimmable sea all year · 1 Jan – 31 DecThe Agulhas current runs warm down this coast, so this is the one big South African city where people swim in July without a wetsuit.72climate
  8. 🇧🇷 Ilha Grande, BrazilSea warm enough to swim · 1 Dec – 30 Apr (usually)The water on the Angra side is comfortable without a wetsuit from December to April, which is also when the visibility is worst after a storm.66climate
  9. 🇧🇷 Búzios, BrazilCold-water upwelling · 1 Nov – 31 Mar (usually)A hard north-easterly pushes the surface water offshore and cold water comes up behind it, so an ocean-facing beach can be far colder than a bay beach one headland away.65climate
  10. 🇧🇷 Florianópolis, BrazilSea warm enough to swim · 1 Dec – 15 Apr (usually)The water is comfortable without a wetsuit from December to about mid-April, and it stays that way for a few weeks after the crowds have gone home.58climate
  11. 🇧🇷 Rio de Janeiro, BrazilWarmest sea of the year · 15 Jan – 15 Apr (usually)The Atlantic off Ipanema and Copacabana holds its heat well past the summer crowds; the water is at its best in March, when the beaches have emptied.50climate

What's on around the world in January →

Sea warm enough in February

  1. 🇳🇿 Auckland, New ZealandSea warm enough to swim · 1 Jan – 15 Apr (usually)The gulf beaches and the harbour are properly swimmable from January into April, and the water is at its warmest well after the school holidays have emptied them.87climate
  2. 🇦🇷 Mar del Plata, ArgentinaSea just about warm enough · 1 Jan – 15 Mar (usually)The water is only really swimmable in January and February, and it stays that way into early March once the crowds have gone.84climate
  3. 🇵🇪 Lima, PeruBeach season on the south coast · 1 Jan – 31 MarThe overcast lifts and Lima decamps to the beach towns south of the city at weekends.81climate
  4. 🇺🇾 Montevideo, UruguayRambla and beach season · 1 Dec – 15 Mar (usually)Pocitos and Malvin fill up once the water warms, and the rambla is the city's living room from late afternoon until dark.81climate
  5. 🇦🇺 Sydney, AustraliaWarmest sea of the year · 15 Jan – 31 Mar (usually)The ocean pools and the harbour beaches are at their best from mid-January into March, well after the school holiday crowds have gone back.80climate
  6. 🇧🇷 Ilha Grande, BrazilSea warm enough to swim · 1 Dec – 30 Apr (usually)The water on the Angra side is comfortable without a wetsuit from December to April, which is also when the visibility is worst after a storm.71climate
  7. 🇿🇦 Durban, South AfricaSwimmable sea all year · 1 Jan – 31 DecThe Agulhas current runs warm down this coast, so this is the one big South African city where people swim in July without a wetsuit.69climate
  8. 🇪🇨 Puerto Ayora, EcuadorWarm season and calm crossings · 15 Dec – 31 MayWarmer water, flatter seas and short heavy showers that green the islands.68climate
  9. 🇧🇷 Búzios, BrazilCold-water upwelling · 1 Nov – 31 Mar (usually)A hard north-easterly pushes the surface water offshore and cold water comes up behind it, so an ocean-facing beach can be far colder than a bay beach one headland away.66climate
  10. 🇧🇷 Florianópolis, BrazilSea warm enough to swim · 1 Dec – 15 Apr (usually)The water is comfortable without a wetsuit from December to about mid-April, and it stays that way for a few weeks after the crowds have gone home.62climate
  11. 🇧🇷 Rio de Janeiro, BrazilWarmest sea of the year · 15 Jan – 15 Apr (usually)The Atlantic off Ipanema and Copacabana holds its heat well past the summer crowds; the water is at its best in March, when the beaches have emptied.51climate

What's on around the world in February →

Sea warm enough in March

  1. 🇳🇿 Auckland, New ZealandSea warm enough to swim · 1 Jan – 15 Apr (usually)The gulf beaches and the harbour are properly swimmable from January into April, and the water is at its warmest well after the school holidays have emptied them.91climate
  2. 🇦🇷 Mar del Plata, ArgentinaSea just about warm enough · 1 Jan – 15 Mar (usually)The water is only really swimmable in January and February, and it stays that way into early March once the crowds have gone.89climate
  3. 🇺🇾 Montevideo, UruguayRambla and beach season · 1 Dec – 15 Mar (usually)Pocitos and Malvin fill up once the water warms, and the rambla is the city's living room from late afternoon until dark.86climate
  4. 🇵🇪 Lima, PeruBeach season on the south coast · 1 Jan – 31 MarThe overcast lifts and Lima decamps to the beach towns south of the city at weekends.83climate
  5. 🇦🇺 Sydney, AustraliaWarmest sea of the year · 15 Jan – 31 Mar (usually)The ocean pools and the harbour beaches are at their best from mid-January into March, well after the school holiday crowds have gone back.76climate
  6. 🇿🇦 Durban, South AfricaSwimmable sea all year · 1 Jan – 31 DecThe Agulhas current runs warm down this coast, so this is the one big South African city where people swim in July without a wetsuit.74climate
  7. 🇧🇷 Ilha Grande, BrazilSea warm enough to swim · 1 Dec – 30 Apr (usually)The water on the Angra side is comfortable without a wetsuit from December to April, which is also when the visibility is worst after a storm.72climate
  8. 🇧🇷 Búzios, BrazilCold-water upwelling · 1 Nov – 31 Mar (usually)A hard north-easterly pushes the surface water offshore and cold water comes up behind it, so an ocean-facing beach can be far colder than a bay beach one headland away.67climate
  9. 🇧🇷 Florianópolis, BrazilSea warm enough to swim · 1 Dec – 15 Apr (usually)The water is comfortable without a wetsuit from December to about mid-April, and it stays that way for a few weeks after the crowds have gone home.66climate
  10. 🇪🇨 Puerto Ayora, EcuadorWarm season and calm crossings · 15 Dec – 31 MayWarmer water, flatter seas and short heavy showers that green the islands.62climate
  11. 🇧🇷 Rio de Janeiro, BrazilWarmest sea of the year · 15 Jan – 15 Apr (usually)The Atlantic off Ipanema and Copacabana holds its heat well past the summer crowds; the water is at its best in March, when the beaches have emptied.58climate

What's on around the world in March →

Sea warm enough in April

  1. 🇳🇿 Auckland, New ZealandSea warm enough to swim · 1 Jan – 15 Apr (usually)The gulf beaches and the harbour are properly swimmable from January into April, and the water is at its warmest well after the school holidays have emptied them.83climate
  2. 🇯🇵 Okinawa, JapanBeach season · 1 Apr – 31 Oct (usually)The island beaches hold umi-biraki opening ceremonies at the start of April and pull the lifeguards and the jellyfish nets at the end of October.80climate
  3. 🇧🇷 Ilha Grande, BrazilSea warm enough to swim · 1 Dec – 30 Apr (usually)The water on the Angra side is comfortable without a wetsuit from December to April, which is also when the visibility is worst after a storm.78climate
  4. 🇧🇷 Florianópolis, BrazilSea warm enough to swim · 1 Dec – 15 Apr (usually)The water is comfortable without a wetsuit from December to about mid-April, and it stays that way for a few weeks after the crowds have gone home.76climate
  5. 🇹🇼 Kenting, TaiwanCalm sea season · 1 Apr – 30 Sep (usually)The water here is warm all year; what changes is the wind.76climate
  6. 🇯🇵 Miyakojima, JapanSea warm enough to swim · 1 Apr – 15 Nov (usually)The water off Yonaha Maehama is comfortable for most of the year.75climate
  7. 🇿🇦 Durban, South AfricaSwimmable sea all year · 1 Jan – 31 DecThe Agulhas current runs warm down this coast, so this is the one big South African city where people swim in July without a wetsuit.74climate
  8. 🇧🇷 Rio de Janeiro, BrazilWarmest sea of the year · 15 Jan – 15 Apr (usually)The Atlantic off Ipanema and Copacabana holds its heat well past the summer crowds; the water is at its best in March, when the beaches have emptied.69climate
  9. 🇦🇪 Ras Al Khaimah, United Arab EmiratesSea warm enough to swim · 1 Apr – 30 Nov (usually)The Gulf is swimmable from spring and by August it is closer to a warm bath than a cool one.68climate
  10. 🇪🇨 Puerto Ayora, EcuadorWarm season and calm crossings · 15 Dec – 31 MayWarmer water, flatter seas and short heavy showers that green the islands.66climate

What's on around the world in April →

Sea warm enough in May

  1. 🇨🇾 Paphos, CyprusSea warm enough to swim · 20 May – 15 Nov (usually)Cyprus has the warmest water in the Mediterranean and holds it into November, which is the whole argument for coming in October rather than August.95climate
  2. 🇨🇾 Limassol, CyprusSea warm enough to swim · 20 May – 15 Nov (usually)The city beaches are dark sand and shelve gently, and the water stays comfortable into November.91climate
  3. 🇹🇷 Antalya, TurkeySea warm enough to swim · 20 May – 10 Nov (usually)The Gulf of Antalya holds its heat later than anywhere else in Turkey, which makes late October the quiet reward: the water is still swimmable and the coach tours have gone.90climate
  4. 🇹🇷 Alanya, TurkeySea warm enough to swim · 15 May – 20 Nov (usually)This is the warmest stretch of the Turkish coast and the last to cool, which is why the season runs deep into November while the rest of the Mediterranean has given up.90climate
  5. 🇮🇱 Tel Aviv, IsraelSwimming season · 15 May – 15 NovThe sea is comfortable without a wetsuit from about mid-May to mid-November, and the lifeguard towers work to that calendar.88climate
  6. 🇿🇦 Durban, South AfricaSwimmable sea all year · 1 Jan – 31 DecThe Agulhas current runs warm down this coast, so this is the one big South African city where people swim in July without a wetsuit.84climate
  7. 🇬🇧 Bournemouth, United KingdomBeach season · 15 May – 15 Sep (usually)Seven miles of sand with lifeguards on through the summer, and the reason a hot weekend puts a hundred thousand people on the trains and the A31.84climate
  8. 🇧🇲 Hamilton, BermudaSea warm enough to swim · 20 May – 10 Nov (usually)The Gulf Stream keeps the water in far later than the latitude suggests, and October is still comfortable without a wetsuit.83climate
  9. 🇳🇱 The Hague, NetherlandsScheveningen beach season · 15 May – 20 Sep (usually)The pavilions along Scheveningen and Kijkduin run through the warm months.82climate
  10. 🇪🇬 Marsa Alam, EgyptSea warm enough to swim · 1 May – 30 Nov (usually)Warm enough for a shorty or nothing from May into November, and the long shallow bays make it feel warmer still.76climate
  11. 🇪🇬 Hurghada, EgyptSea warm enough to swim · 1 May – 30 Nov (usually)Warm enough for a shorty or nothing from May into November.75climate
  12. 🇪🇨 Puerto Ayora, EcuadorWarm season and calm crossings · 15 Dec – 31 MayWarmer water, flatter seas and short heavy showers that green the islands.75climate
  13. 🇺🇸 Destin, United StatesGulf warm enough to swim · 1 May – 31 OctThe Gulf here is comfortable from May and genuinely warm from July to September.75climate
  14. 🇪🇬 El Gouna, EgyptSea warm enough to swim · 1 May – 30 Nov (usually)The Red Sea holds its heat into November and the reef trips run without a wetsuit.74climate
  15. 🇪🇬 Dahab, EgyptSea warm enough to swim · 15 May – 30 Nov (usually)Shorty-and-nothing water from late May into November.74climate
  16. 🇺🇸 Clearwater, United StatesGulf warm enough to swim · 1 May – 15 NovThe shallow Gulf shelf warms early and holds it late, so the water is comfortable from May into November and bathlike by August.72climate
  17. 🇪🇬 Sharm El Sheikh, EgyptSea warm enough to swim · 1 May – 30 Nov (usually)Warm enough for a shorty from May into November, at its best in September and October.71climate
  18. 🇺🇸 Sarasota, United StatesGulf warm enough to swim · 1 May – 31 OctThe Gulf here is shallow and calm and stays comfortable from May to the end of October, which is longer than the crowds who come in February would guess.71climate
  19. 🇯🇵 Okinawa, JapanBeach season · 1 Apr – 31 Oct (usually)The island beaches hold umi-biraki opening ceremonies at the start of April and pull the lifeguards and the jellyfish nets at the end of October.64climate
  20. 🇯🇴 Aqaba, JordanSea warm enough to swim · 1 May – 30 Nov (usually)The gulf holds its warmth far longer than the Mediterranean does: from May a rash vest is enough, and the reef starts a five-minute walk off the shore hotels.60climate
  21. 🇯🇵 Miyakojima, JapanSea warm enough to swim · 1 Apr – 15 Nov (usually)The water off Yonaha Maehama is comfortable for most of the year.60climate
  22. 🇹🇼 Kenting, TaiwanCalm sea season · 1 Apr – 30 Sep (usually)The water here is warm all year; what changes is the wind.59climate
  23. 🇦🇪 Ras Al Khaimah, United Arab EmiratesSea warm enough to swim · 1 Apr – 30 Nov (usually)The Gulf is swimmable from spring and by August it is closer to a warm bath than a cool one.46climate

What's on around the world in May →

Sea warm enough in June

  1. 🇵🇹 Nazaré, PortugalBeach season on the main praia · 15 Jun – 20 Sep (usually)The sheltered town beach is a different ocean from the one round the headland: striped tents, sardines drying on racks, and water cold enough that most people go in twice.94climate
  2. 🇿🇦 Durban, South AfricaSwimmable sea all year · 1 Jan – 31 DecThe Agulhas current runs warm down this coast, so this is the one big South African city where people swim in July without a wetsuit.93climate
  3. 🇩🇰 Copenhagen, DenmarkHarbour swimming season · 1 Jun – 31 Aug (usually)The harbour baths at Islands Brygge, Sluseholmen and Fisketorvet put lifeguards on for the summer, and on a warm evening half the city swims in the middle of the city.92climate
  4. 🇱🇻 Riga, LatviaJurmala beach season · 20 Jun – 25 Aug (usually)The Baltic is swimmable for about two months and Jurmala is half an hour by train, so the whole city goes on a hot weekend.92climate
  5. 🇪🇸 Marbella, SpainSea warm enough to swim · 20 Jun – 10 Oct (usually)The Alboran side of the strait is slow to warm and slow to give it back, so late September and early October swim better than June does.92climate
  6. 🇱🇻 Jūrmala, LatviaBaltic beach season · 15 Jun – 25 Aug (usually)The Gulf of Riga only becomes swimmable for about ten weeks, and that is the whole of Jurmala's year: the beach cafes open, Riga moves out here at weekends, and rooms cost what they cost.92climate
  7. 🇨🇭 Geneva, SwitzerlandLake swimming season · 15 Jun – 15 Sep (usually)The Bains des Paquis and the Geneve-Plage are how the city gets through July, and the lake holds its warmth into September after the crowds have gone back to work.91climate
  8. 🇵🇹 Faro, PortugalSea warm enough to swim · 20 Jun – 20 Oct (usually)The sheltered eastern Algarve warms earlier and holds longer than the west, and the island beaches across the lagoon are a boat ride rather than a drive.91climate
  9. 🇪🇸 Cádiz, SpainSea warm enough to swim · 25 Jun – 10 Oct (usually)This is the Atlantic, not the Mediterranean, and it stays a few degrees behind the east coast all summer.91climate
  10. 🇫🇷 Cannes, FranceSea warm enough to swim · 10 Jun – 5 Oct (usually)The bay is swimmable from the middle of June to the start of October.91climate
  11. 🇵🇹 Portimão, PortugalSea warm enough · 25 Jun – 5 Oct (usually)This is the Atlantic rather than the Mediterranean and upwelling keeps it a couple of degrees cooler than the eastern Algarve.91climate
  12. 🇳🇴 Oslo, NorwayFjord swimming season · 15 Jun – 5 Sep (usually)The harbour baths and the island ferries carry the summer here: Hovedoya and Langoyene fill on any warm day, and the water is at its least shocking in August.90climate
  13. 🇮🇹 Taormina, ItalySea warm enough to swim · 10 Jun – 20 Oct (usually)The Ionian off Isola Bella and Mazzaro is warm from June to late October, and October days here still swim.90climate
  14. 🇷🇺 Kaliningrad, RussiaBaltic swimming season · 15 Jun – 15 Sep (usually)The water is swimmable from mid-June to mid-September, and July-August are the two months the coast resorts at Zelenogradsk and Svetlogorsk are full of Russian holidaymakers.90climate
  15. 🇫🇷 Ajaccio, FranceSea warm enough to swim · 15 Jun – 10 Oct (usually)The gulf is comfortable from the middle of June and stays that way well past the September exodus, when the beaches south of town empty out but the water has not cooled.89climate
  16. 🇨🇦 Kelowna, CanadaOkanagan Lake swimming season · 20 Jun – 10 Sep (usually)The lake takes until late June to warm up and holds it into early September, which is exactly when the city fills with people from Vancouver and Calgary.89climate
  17. 🇬🇷 Milos, GreeceSea warm enough to swim · 10 Jun – 15 Oct (usually)The Aegean here holds its heat into October, and the volcanic coves on the south coast are sheltered enough to swim on days the north side is unusable.89climate
  18. 🇬🇧 Bournemouth, United KingdomBeach season · 15 May – 15 Sep (usually)Seven miles of sand with lifeguards on through the summer, and the reason a hot weekend puts a hundred thousand people on the trains and the A31.89climate
  19. 🇩🇿 Algiers, AlgeriaBeach season on the Algérois coast · 25 Jun – 5 Oct (usually)The city moves west to Sidi Fredj and Zeralda and east to the Kabylie corniche, and the coast road is solid on Fridays.88climate
  20. 🇪🇸 Málaga, SpainSea warm and espetos lit · 1 Jun – 15 Oct (usually)The chiringuitos run their sardine boats aground on the sand and grill on them from early summer to autumn.88climate
  21. 🇫🇷 Marseille, FranceSea warm enough to swim · 15 Jun – 10 Oct (usually)The city swims from the Corniche and the Prado beaches from the middle of June into October.88climate
  22. 🇺🇸 Maui, United StatesCalmest water and warmest sea · 15 Jun – 15 Oct (usually)Summer flattens the north and west shores and warms the water into the high twenties, which is why the snorkelling boats to Molokini run best then.88climate
  23. 🇺🇦 Odessa, UkraineSea warm enough to swim · 15 Jun – 20 Sep (usually)The Black Sea here is shallow and warms quickly, so it is comfortable from the middle of June to about the equinox, and it cools just as fast once the autumn winds start.88climate
  24. 🇷🇺 Sochi, RussiaBlack Sea swimming season · 1 Jun – 5 Oct (usually)The sea is comfortable from June and stays that way through September, when the beaches empty and the pebbles are finally yours.88climate
  25. 🇵🇹 Albufeira, PortugalSea warm enough to swim · 25 Jun – 15 Oct (usually)This stretch of Algarve coast faces south and is sheltered from the Atlantic swell, so it holds its warmth weeks longer than the west-facing beaches around Sagres.88climate

…and 108 more in June.

What's on around the world in June →

Sea warm enough in July

  1. 🇳🇴 Oslo, NorwayFjord swimming season · 15 Jun – 5 Sep (usually)The harbour baths and the island ferries carry the summer here: Hovedoya and Langoyene fill on any warm day, and the water is at its least shocking in August.94climate
  2. 🇫🇷 La Rochelle, FranceAtlantic swimming season · 25 Jun – 20 Sep (usually)The bay only really warms up from the end of June and cools quickly after the first September gales.94climate
  3. 🇬🇧 Bournemouth, United KingdomBeach season · 15 May – 15 Sep (usually)Seven miles of sand with lifeguards on through the summer, and the reason a hot weekend puts a hundred thousand people on the trains and the A31.94climate
  4. 🇵🇹 Ericeira, PortugalSea at its warmest · 20 Jul – 5 Oct (usually)Cold Atlantic upwelling means the water only comes round late, and even at its best most people here are in a wetsuit rather than out of one.93climate
  5. 🇵🇹 Nazaré, PortugalBeach season on the main praia · 15 Jun – 20 Sep (usually)The sheltered town beach is a different ocean from the one round the headland: striped tents, sardines drying on racks, and water cold enough that most people go in twice.93climate
  6. 🇬🇧 Brighton, United KingdomBeach season · 1 Jun – 15 Sep (usually)Day trippers from London fill the pebbles on any warm weekend and the trains down are rationed by capacity rather than timetable.92climate
  7. Saint Helier, JerseyBeach season · 20 Jun – 20 Sep (usually)The Channel only really warms up for three months, and the tide does the rest of the work: the sea goes out far enough at St Aubin's Bay to double the beach.92climate
  8. 🇿🇦 Durban, South AfricaSwimmable sea all year · 1 Jan – 31 DecThe Agulhas current runs warm down this coast, so this is the one big South African city where people swim in July without a wetsuit.91climate
  9. 🇵🇹 Cascais, PortugalSea at its warmest · 20 Jul – 5 Oct (usually)The Atlantic upwelling keeps this coast cold well into summer and it only comes round in August and September.91climate
  10. 🇳🇱 The Hague, NetherlandsScheveningen beach season · 15 May – 20 Sep (usually)The pavilions along Scheveningen and Kijkduin run through the warm months.90climate
  11. 🇩🇰 Copenhagen, DenmarkHarbour swimming season · 1 Jun – 31 Aug (usually)The harbour baths at Islands Brygge, Sluseholmen and Fisketorvet put lifeguards on for the summer, and on a warm evening half the city swims in the middle of the city.89climate
  12. 🇱🇻 Riga, LatviaJurmala beach season · 20 Jun – 25 Aug (usually)The Baltic is swimmable for about two months and Jurmala is half an hour by train, so the whole city goes on a hot weekend.89climate
  13. 🇪🇸 Fuerteventura, SpainSea at its warmest · 15 Jul – 30 Nov (usually)The Canary current keeps the water cooler than the latitude suggests and it peaks late, in September and October rather than August.89climate
  14. 🇪🇸 Las Palmas, SpainSea at its warmest · 15 Jul – 30 Nov (usually)Las Canteras has a natural reef breaking the swell, so it is swimmable most of the year and genuinely warm from late summer into November, when nobody else in Europe can say that.89climate
  15. 🇪🇸 Santander, SpainBeach season on the Sardinero · 1 Jul – 20 Sep (usually)The northern coast warms late and cools fast, so the swimming window is roughly July to mid-September.89climate
  16. 🇱🇻 Jūrmala, LatviaBaltic beach season · 15 Jun – 25 Aug (usually)The Gulf of Riga only becomes swimmable for about ten weeks, and that is the whole of Jurmala's year: the beach cafes open, Riga moves out here at weekends, and rooms cost what they cost.89climate
  17. 🇪🇸 San Sebastián, SpainLa Concha swimming season · 1 Jul – 25 Sep (usually)The Cantabrian sea is cold and slow to warm, so the bay only really swims from July to late September.88climate
  18. 🇵🇹 Lagos, PortugalSea warm enough to swim · 1 Jul – 5 Oct (usually)The western Algarve sits closer to the Atlantic than the eastern half and runs a few degrees behind it all summer.88climate
  19. 🇷🇺 Kaliningrad, RussiaBaltic swimming season · 15 Jun – 15 Sep (usually)The water is swimmable from mid-June to mid-September, and July-August are the two months the coast resorts at Zelenogradsk and Svetlogorsk are full of Russian holidaymakers.88climate
  20. 🇨🇭 Geneva, SwitzerlandLake swimming season · 15 Jun – 15 Sep (usually)The Bains des Paquis and the Geneve-Plage are how the city gets through July, and the lake holds its warmth into September after the crowds have gone back to work.87climate
  21. 🇵🇱 Gdańsk, PolandBaltic swimming season · 1 Jul – 31 Aug (usually)The sea at Sopot and Brzezno is swimmable for about two months and no longer.87climate
  22. 🇵🇹 Portimão, PortugalSea warm enough · 25 Jun – 5 Oct (usually)This is the Atlantic rather than the Mediterranean and upwelling keeps it a couple of degrees cooler than the eastern Algarve.87climate
  23. 🇺🇸 Maui, United StatesCalmest water and warmest sea · 15 Jun – 15 Oct (usually)Summer flattens the north and west shores and warms the water into the high twenties, which is why the snorkelling boats to Molokini run best then.86climate
  24. 🇵🇹 Faro, PortugalSea warm enough to swim · 20 Jun – 20 Oct (usually)The sheltered eastern Algarve warms earlier and holds longer than the west, and the island beaches across the lagoon are a boat ride rather than a drive.86climate
  25. 🇪🇸 Lanzarote, SpainSea at its warmest · 15 Jul – 30 Nov (usually)The Canary current keeps the water cool for the latitude and it stays flat and warm from July through October rather than peaking in August alone.86climate

…and 126 more in July.

What's on around the world in July →

Sea warm enough in August

  1. 🇵🇱 Gdańsk, PolandBaltic swimming season · 1 Jul – 31 Aug (usually)The sea at Sopot and Brzezno is swimmable for about two months and no longer.93climate
  2. 🇵🇹 Ericeira, PortugalSea at its warmest · 20 Jul – 5 Oct (usually)Cold Atlantic upwelling means the water only comes round late, and even at its best most people here are in a wetsuit rather than out of one.93climate
  3. 🇿🇦 Durban, South AfricaSwimmable sea all year · 1 Jan – 31 DecThe Agulhas current runs warm down this coast, so this is the one big South African city where people swim in July without a wetsuit.92climate
  4. 🇫🇷 La Rochelle, FranceAtlantic swimming season · 25 Jun – 20 Sep (usually)The bay only really warms up from the end of June and cools quickly after the first September gales.92climate
  5. 🇷🇺 Kaliningrad, RussiaBaltic swimming season · 15 Jun – 15 Sep (usually)The water is swimmable from mid-June to mid-September, and July-August are the two months the coast resorts at Zelenogradsk and Svetlogorsk are full of Russian holidaymakers.92climate
  6. 🇵🇹 Nazaré, PortugalBeach season on the main praia · 15 Jun – 20 Sep (usually)The sheltered town beach is a different ocean from the one round the headland: striped tents, sardines drying on racks, and water cold enough that most people go in twice.91climate
  7. 🇬🇧 Bournemouth, United KingdomBeach season · 15 May – 15 Sep (usually)Seven miles of sand with lifeguards on through the summer, and the reason a hot weekend puts a hundred thousand people on the trains and the A31.91climate
  8. 🇨🇭 Geneva, SwitzerlandLake swimming season · 15 Jun – 15 Sep (usually)The Bains des Paquis and the Geneve-Plage are how the city gets through July, and the lake holds its warmth into September after the crowds have gone back to work.90climate
  9. 🇵🇹 Cascais, PortugalSea at its warmest · 20 Jul – 5 Oct (usually)The Atlantic upwelling keeps this coast cold well into summer and it only comes round in August and September.90climate
  10. 🇬🇧 Brighton, United KingdomBeach season · 1 Jun – 15 Sep (usually)Day trippers from London fill the pebbles on any warm weekend and the trains down are rationed by capacity rather than timetable.90climate
  11. 🇺🇸 San Diego, United StatesSea at its warmest · 1 Aug – 30 Sep (usually)The Pacific here takes all summer to warm up and only gets comfortable without a wetsuit in August and September, which is also when the marine layer has finally gone.89climate
  12. 🇳🇱 The Hague, NetherlandsScheveningen beach season · 15 May – 20 Sep (usually)The pavilions along Scheveningen and Kijkduin run through the warm months.89climate
  13. Saint Helier, JerseyBeach season · 20 Jun – 20 Sep (usually)The Channel only really warms up for three months, and the tide does the rest of the work: the sea goes out far enough at St Aubin's Bay to double the beach.89climate
  14. 🇩🇰 Copenhagen, DenmarkHarbour swimming season · 1 Jun – 31 Aug (usually)The harbour baths at Islands Brygge, Sluseholmen and Fisketorvet put lifeguards on for the summer, and on a warm evening half the city swims in the middle of the city.88climate
  15. 🇪🇸 Santander, SpainBeach season on the Sardinero · 1 Jul – 20 Sep (usually)The northern coast warms late and cools fast, so the swimming window is roughly July to mid-September.88climate
  16. 🇩🇪 Sylt, GermanyNorth Sea swimming season · 1 Jul – 10 Sep (usually)The water reaches the high teens in late summer and no higher.88climate
  17. 🇬🇧 Newquay, United KingdomSea at its warmest · 1 Aug – 30 Sep (usually)The water lags the air by about two months, so late August into September is the best of it.88climate
  18. 🇱🇻 Riga, LatviaJurmala beach season · 20 Jun – 25 Aug (usually)The Baltic is swimmable for about two months and Jurmala is half an hour by train, so the whole city goes on a hot weekend.87climate
  19. 🇺🇸 South Lake Tahoe, United StatesLake warm enough to swim · 10 Jul – 10 Sep (usually)The lake is 500 metres deep and never really warms, but the shallow bays at Baldwin and Zephyr Cove get tolerable for about eight weeks from mid-July.87climate
  20. 🇺🇸 Maui, United StatesCalmest water and warmest sea · 15 Jun – 15 Oct (usually)Summer flattens the north and west shores and warms the water into the high twenties, which is why the snorkelling boats to Molokini run best then.87climate
  21. 🇵🇹 Lagos, PortugalSea warm enough to swim · 1 Jul – 5 Oct (usually)The western Algarve sits closer to the Atlantic than the eastern half and runs a few degrees behind it all summer.87climate
  22. 🇪🇸 Las Palmas, SpainSea at its warmest · 15 Jul – 30 Nov (usually)Las Canteras has a natural reef breaking the swell, so it is swimmable most of the year and genuinely warm from late summer into November, when nobody else in Europe can say that.87climate
  23. 🇫🇷 Annecy, FranceLake warm enough to swim · 25 Jun – 10 Sep (usually)The lake comes up to swimming temperature in the last week of June and holds it into September.87climate
  24. 🇨🇭 Montreux, SwitzerlandLake swimming season · 20 Jun – 15 Sep (usually)The Vaud shore swims from late June, and the water holds into September after the festival crowd has gone.87climate
  25. 🇱🇻 Jūrmala, LatviaBaltic beach season · 15 Jun – 25 Aug (usually)The Gulf of Riga only becomes swimmable for about ten weeks, and that is the whole of Jurmala's year: the beach cafes open, Riga moves out here at weekends, and rooms cost what they cost.87climate

…and 132 more in August.

What's on around the world in August →

Sea warm enough in September

  1. 🇺🇦 Odessa, UkraineSea warm enough to swim · 15 Jun – 20 Sep (usually)The Black Sea here is shallow and warms quickly, so it is comfortable from the middle of June to about the equinox, and it cools just as fast once the autumn winds start.95climate
  2. 🇨🇦 Kelowna, CanadaOkanagan Lake swimming season · 20 Jun – 10 Sep (usually)The lake takes until late June to warm up and holds it into early September, which is exactly when the city fills with people from Vancouver and Calgary.94climate
  3. 🇷🇴 Mamaia, RomaniaSea warm enough to swim · 15 Jun – 15 Sep (usually)The Black Sea here is shallow and slow to warm: June still catches people out, and a northerly blowing for a day or two can turn the water over and drop it again in August.93climate
  4. 🇲🇰 Ohrid, North MacedoniaLake warm enough to swim · 1 Jul – 10 Sep (usually)Three million years old and nearly three hundred metres deep, so it takes all summer to warm and only the top few metres do.92climate
  5. 🇵🇹 Nazaré, PortugalBeach season on the main praia · 15 Jun – 20 Sep (usually)The sheltered town beach is a different ocean from the one round the headland: striped tents, sardines drying on racks, and water cold enough that most people go in twice.92climate
  6. 🇧🇬 Sunny Beach, BulgariaBlack Sea swimming season · 15 Jun – 25 Sep (usually)The water is comfortable from the second half of June to late September, and the beach is shallow a long way out, which is why the package families come.92climate
  7. 🇬🇷 Halkidiki, GreeceSea warm enough to swim · 1 Jun – 15 Oct (usually)Three sheltered peninsulas mean the water warms early and there is always a lee shore.91climate
  8. 🇵🇹 Cascais, PortugalSea at its warmest · 20 Jul – 5 Oct (usually)The Atlantic upwelling keeps this coast cold well into summer and it only comes round in August and September.91climate
  9. 🇺🇸 San Diego, United StatesSea at its warmest · 1 Aug – 30 Sep (usually)The Pacific here takes all summer to warm up and only gets comfortable without a wetsuit in August and September, which is also when the marine layer has finally gone.90climate
  10. 🇵🇹 Lagos, PortugalSea warm enough to swim · 1 Jul – 5 Oct (usually)The western Algarve sits closer to the Atlantic than the eastern half and runs a few degrees behind it all summer.90climate
  11. 🇵🇹 Faro, PortugalSea warm enough to swim · 20 Jun – 20 Oct (usually)The sheltered eastern Algarve warms earlier and holds longer than the west, and the island beaches across the lagoon are a boat ride rather than a drive.90climate
  12. 🇫🇷 Cannes, FranceSea warm enough to swim · 10 Jun – 5 Oct (usually)The bay is swimmable from the middle of June to the start of October.90climate
  13. 🇵🇹 Ericeira, PortugalSea at its warmest · 20 Jul – 5 Oct (usually)Cold Atlantic upwelling means the water only comes round late, and even at its best most people here are in a wetsuit rather than out of one.90climate
  14. 🇫🇷 La Rochelle, FranceAtlantic swimming season · 25 Jun – 20 Sep (usually)The bay only really warms up from the end of June and cools quickly after the first September gales.90climate
  15. 🇵🇹 Lisbon, PortugalSea at its warmest · 15 Aug – 10 Oct (usually)The Atlantic here is never warm, but it holds what heat it has into early autumn, and the Costa da Caparica beaches empty out after the first week of September.89climate
  16. 🇫🇷 Nice, FranceSea warm enough to swim · 25 Jun – 15 Oct (usually)The Mediterranean here holds its heat into October, well after the crowds have gone.89climate
  17. 🇲🇨 Monaco, MonacoSea warm enough to swim · 25 Jun – 10 Oct (usually)Larvotto is the only public beach and it is small, so it fills by mid-morning through the summer.89climate
  18. 🇫🇷 Marseille, FranceSea warm enough to swim · 15 Jun – 10 Oct (usually)The city swims from the Corniche and the Prado beaches from the middle of June into October.89climate
  19. 🇵🇹 Portimão, PortugalSea warm enough · 25 Jun – 5 Oct (usually)This is the Atlantic rather than the Mediterranean and upwelling keeps it a couple of degrees cooler than the eastern Algarve.89climate
  20. 🇨🇭 Geneva, SwitzerlandLake swimming season · 15 Jun – 15 Sep (usually)The Bains des Paquis and the Geneve-Plage are how the city gets through July, and the lake holds its warmth into September after the crowds have gone back to work.88climate
  21. 🇪🇸 Cádiz, SpainSea warm enough to swim · 25 Jun – 10 Oct (usually)This is the Atlantic, not the Mediterranean, and it stays a few degrees behind the east coast all summer.88climate
  22. 🇪🇸 Marbella, SpainSea warm enough to swim · 20 Jun – 10 Oct (usually)The Alboran side of the strait is slow to warm and slow to give it back, so late September and early October swim better than June does.88climate
  23. 🇫🇷 Ajaccio, FranceSea warm enough to swim · 15 Jun – 10 Oct (usually)The gulf is comfortable from the middle of June and stays that way well past the September exodus, when the beaches south of town empty out but the water has not cooled.88climate
  24. 🇮🇹 Rimini, ItalySea warm enough · 20 Jun – 20 Sep (usually)Shallow enough that the water warms quickly and you can wade a long way out, which is why this coast is where Italian families bring small children.88climate
  25. 🇫🇷 Saint-Tropez, FranceSea warm enough to swim · 10 Jun – 5 Oct (usually)The gulf is swimmable from June into early October.88climate

…and 128 more in September.

What's on around the world in September →

Sea warm enough in October

  1. 🇬🇷 Athens, GreeceSea warm enough to swim · 1 Jun – 31 Oct (usually)The coastal suburbs down the tram line from the centre are swimmable from June, and the water is at its warmest in September, well after the air has stopped being punishing.94climate
  2. 🇬🇷 Nafplio, GreeceSea warm enough · 15 Jun – 15 Oct (usually)The town beach at Arvanitia is a slab of rock rather than sand; the swimming is at Karathona round the headland or at Tolo.93climate
  3. 🇹🇷 Izmir, TurkeySea warm enough to swim · 10 Jun – 20 Oct (usually)Nobody swims in the gulf itself; the season is measured by the peninsula, Cesme and Urla, forty minutes west.93climate
  4. 🇹🇷 Ölüdeniz, TurkeySwimming season · 1 Jun – 15 Oct (usually)The lagoon is a paid nature reserve and it is at its worst for space in July and August, when the package flights land and Belcekiz beach is full end to end.93climate
  5. 🇬🇷 Heraklion, GreeceSea warm enough to swim · 1 Jun – 5 Nov (usually)Crete's water runs a month ahead of the mainland at both ends of the season.92climate
  6. 🇮🇹 Cagliari, ItalyPoetto swimming season · 10 Jun – 10 Oct (usually)The city beach runs eight kilometres and the kiosks work from June until the water goes off in October.92climate
  7. 🇹🇷 Çeşme, TurkeySea warm enough to swim · 5 Jun – 20 Oct (usually)Ilica and the shallow bays warm up fast and stay swimmable into October, once the beach clubs have stopped charging for a sunbed.92climate
  8. 🇫🇷 Bonifacio, FranceSea warm enough to swim · 10 Jun – 10 Oct (usually)The water off the Lavezzi and the beaches east of town is swimmable from June into early October.92climate
  9. 🇬🇷 Santorini, GreeceSea still warm · 15 Aug – 25 Oct (usually)The Aegean holds August heat into late October, which is why the shoulder is the better swim: warm water, thinning crowds, and the caldera path walkable again.91climate
  10. 🇩🇿 Algiers, AlgeriaBeach season on the Algérois coast · 25 Jun – 5 Oct (usually)The city moves west to Sidi Fredj and Zeralda and east to the Kabylie corniche, and the coast road is solid on Fridays.91climate
  11. 🇮🇹 Olbia, ItalySea warm enough · 20 Jun – 5 Oct (usually)The gulf and the Maddalena beaches are comfortable from late June and best in September, when the water is at its warmest and the yacht traffic has gone.91climate
  12. 🇬🇷 Paros, GreeceSea warm enough to swim · 10 Jun – 15 Oct (usually)Warm from mid-June to mid-October.91climate
  13. 🇹🇷 Side, TurkeySwimming season · 1 Jun – 31 Oct (usually)The bay warms early and holds it deep into October, well past the point the package flights taper off.91climate
  14. 🇬🇷 Mykonos, GreeceSea warm enough to swim · 10 Jun – 15 Oct (usually)Warm through to mid-October, though which beach is swimmable on a given day is decided by the wind rather than the temperature.90climate
  15. 🇵🇹 Lagos, PortugalSea warm enough to swim · 1 Jul – 5 Oct (usually)The western Algarve sits closer to the Atlantic than the eastern half and runs a few degrees behind it all summer.90climate
  16. 🇫🇷 Ajaccio, FranceSea warm enough to swim · 15 Jun – 10 Oct (usually)The gulf is comfortable from the middle of June and stays that way well past the September exodus, when the beaches south of town empty out but the water has not cooled.90climate
  17. 🇮🇹 Bari, ItalySea warm enough · 20 Jun – 10 Oct (usually)The Adriatic here holds its warmth into October, which is why the lidi along the Bari coast keep running past the end of the school holidays.90climate
  18. 🇵🇹 Portimão, PortugalSea warm enough · 25 Jun – 5 Oct (usually)This is the Atlantic rather than the Mediterranean and upwelling keeps it a couple of degrees cooler than the eastern Algarve.90climate
  19. 🇮🇹 Alghero, ItalySea warm enough to swim · 20 Jun – 5 Oct (usually)The bay holds its heat into early October, and the beaches north towards Fertilia are usable a fortnight after the Italian season has officially ended.90climate
  20. 🇪🇸 Nerja, SpainSwimming season · 15 Jun – 20 Oct (usually)The Alboran sea is warm enough for a comfortable swim from about mid-June into late October, which is longer than the beach cafes stay busy.90climate
  21. 🇬🇷 Naxos, GreeceSea warm enough to swim · 10 Jun – 15 Oct (usually)The long west-coast sand at Plaka and Agios Prokopios shelves shallowly, so it warms early and stays comfortable well into October.90climate
  22. 🇬🇷 Rhodes, GreeceSea warm enough to swim · 10 Jun – 31 Oct (usually)The east coast is the swimmable side and stays comfortable to the end of October.89climate
  23. 🇨🇾 Paphos, CyprusSea warm enough to swim · 20 May – 15 Nov (usually)Cyprus has the warmest water in the Mediterranean and holds it into November, which is the whole argument for coming in October rather than August.89climate
  24. 🇪🇸 Málaga, SpainSea warm and espetos lit · 1 Jun – 15 Oct (usually)The chiringuitos run their sardine boats aground on the sand and grill on them from early summer to autumn.89climate
  25. 🇪🇸 Fuerteventura, SpainSea at its warmest · 15 Jul – 30 Nov (usually)The Canary current keeps the water cooler than the latitude suggests and it peaks late, in September and October rather than August.89climate

…and 89 more in October.

What's on around the world in October →

Sea warm enough in November

  1. 🇨🇾 Limassol, CyprusSea warm enough to swim · 20 May – 15 Nov (usually)The city beaches are dark sand and shelve gently, and the water stays comfortable into November.93climate
  2. 🇨🇾 Larnaca, CyprusSea warm enough · 1 Jun – 15 Nov (usually)The eastern Mediterranean is the warmest water in Europe by late summer and it stays swimmable here into November.92climate
  3. 🇨🇾 Paphos, CyprusSea warm enough to swim · 20 May – 15 Nov (usually)Cyprus has the warmest water in the Mediterranean and holds it into November, which is the whole argument for coming in October rather than August.92climate
  4. 🇪🇸 Las Palmas, SpainSea at its warmest · 15 Jul – 30 Nov (usually)Las Canteras has a natural reef breaking the swell, so it is swimmable most of the year and genuinely warm from late summer into November, when nobody else in Europe can say that.92climate
  5. 🇪🇸 Lanzarote, SpainSea at its warmest · 15 Jul – 30 Nov (usually)The Canary current keeps the water cool for the latitude and it stays flat and warm from July through October rather than peaking in August alone.90climate
  6. 🇪🇸 Tenerife, SpainWarmest sea of the year · 1 Sep – 5 Nov (usually)The Atlantic here is at its best in early autumn rather than midsummer, which is the argument for September and October over August.90climate
  7. 🇬🇷 Heraklion, GreeceSea warm enough to swim · 1 Jun – 5 Nov (usually)Crete's water runs a month ahead of the mainland at both ends of the season.89climate
  8. 🇮🇱 Tel Aviv, IsraelSwimming season · 15 May – 15 NovThe sea is comfortable without a wetsuit from about mid-May to mid-November, and the lifeguard towers work to that calendar.89climate
  9. 🇪🇸 Fuerteventura, SpainSea at its warmest · 15 Jul – 30 Nov (usually)The Canary current keeps the water cooler than the latitude suggests and it peaks late, in September and October rather than August.89climate
  10. 🇪🇬 Dahab, EgyptSea warm enough to swim · 15 May – 30 Nov (usually)Shorty-and-nothing water from late May into November.86climate
  11. 🇹🇷 Alanya, TurkeySea warm enough to swim · 15 May – 20 Nov (usually)This is the warmest stretch of the Turkish coast and the last to cool, which is why the season runs deep into November while the rest of the Mediterranean has given up.86climate
  12. 🇪🇬 Hurghada, EgyptSea warm enough to swim · 1 May – 30 Nov (usually)Warm enough for a shorty or nothing from May into November.85climate
  13. 🇪🇬 El Gouna, EgyptSea warm enough to swim · 1 May – 30 Nov (usually)The Red Sea holds its heat into November and the reef trips run without a wetsuit.85climate
  14. 🇺🇸 Clearwater, United StatesGulf warm enough to swim · 1 May – 15 NovThe shallow Gulf shelf warms early and holds it late, so the water is comfortable from May into November and bathlike by August.85climate
  15. 🇪🇬 Sharm El Sheikh, EgyptSea warm enough to swim · 1 May – 30 Nov (usually)Warm enough for a shorty from May into November, at its best in September and October.84climate
  16. 🇪🇬 Marsa Alam, EgyptSea warm enough to swim · 1 May – 30 Nov (usually)Warm enough for a shorty or nothing from May into November, and the long shallow bays make it feel warmer still.84climate
  17. 🇯🇴 Aqaba, JordanSea warm enough to swim · 1 May – 30 Nov (usually)The gulf holds its warmth far longer than the Mediterranean does: from May a rash vest is enough, and the reef starts a five-minute walk off the shore hotels.83climate
  18. 🇲🇹 Valletta, MaltaSea warm enough to swim · 1 Jun – 10 Nov (usually)Valletta itself has no beach; swimming means the rocks at Sliema across the harbour or a bus to the north.82climate
  19. 🇿🇦 Durban, South AfricaSwimmable sea all year · 1 Jan – 31 DecThe Agulhas current runs warm down this coast, so this is the one big South African city where people swim in July without a wetsuit.81climate
  20. 🇹🇷 Antalya, TurkeySea warm enough to swim · 20 May – 10 Nov (usually)The Gulf of Antalya holds its heat later than anywhere else in Turkey, which makes late October the quiet reward: the water is still swimmable and the coach tours have gone.80climate
  21. 🇬🇷 Chania, GreeceSea warm enough to swim · 1 Jun – 5 Nov (usually)Crete's water is usable a month either side of the Greek mainland's season, and the shallow lagoons at Balos and Elafonissi are warm well before the open coast.80climate
  22. 🇦🇪 Ras Al Khaimah, United Arab EmiratesSea warm enough to swim · 1 Apr – 30 Nov (usually)The Gulf is swimmable from spring and by August it is closer to a warm bath than a cool one.76climate
  23. 🇧🇲 Hamilton, BermudaSea warm enough to swim · 20 May – 10 Nov (usually)The Gulf Stream keeps the water in far later than the latitude suggests, and October is still comfortable without a wetsuit.75climate
  24. 🇧🇷 Búzios, BrazilCold-water upwelling · 1 Nov – 31 Mar (usually)A hard north-easterly pushes the surface water offshore and cold water comes up behind it, so an ocean-facing beach can be far colder than a bay beach one headland away.71climate
  25. 🇯🇵 Miyakojima, JapanSea warm enough to swim · 1 Apr – 15 Nov (usually)The water off Yonaha Maehama is comfortable for most of the year.70climate

What's on around the world in November →

Sea warm enough in December

  1. 🇺🇾 Montevideo, UruguayRambla and beach season · 1 Dec – 15 Mar (usually)Pocitos and Malvin fill up once the water warms, and the rambla is the city's living room from late afternoon until dark.88climate
  2. 🇪🇨 Puerto Ayora, EcuadorWarm season and calm crossings · 15 Dec – 31 MayWarmer water, flatter seas and short heavy showers that green the islands.81climate
  3. 🇿🇦 Durban, South AfricaSwimmable sea all year · 1 Jan – 31 DecThe Agulhas current runs warm down this coast, so this is the one big South African city where people swim in July without a wetsuit.73climate
  4. 🇧🇷 Ilha Grande, BrazilSea warm enough to swim · 1 Dec – 30 Apr (usually)The water on the Angra side is comfortable without a wetsuit from December to April, which is also when the visibility is worst after a storm.73climate
  5. 🇧🇷 Búzios, BrazilCold-water upwelling · 1 Nov – 31 Mar (usually)A hard north-easterly pushes the surface water offshore and cold water comes up behind it, so an ocean-facing beach can be far colder than a bay beach one headland away.69climate
  6. 🇧🇷 Florianópolis, BrazilSea warm enough to swim · 1 Dec – 15 Apr (usually)The water is comfortable without a wetsuit from December to about mid-April, and it stays that way for a few weeks after the crowds have gone home.68climate

What's on around the world in December →