泳げる海水温 — 世界の月ごとのガイド

ウェットスーツなしで快適に泳げる数か月です。

SeasonMapの169か所の旅行先を、各月の中で快適スコア順に並べています — 大事なのは、その季節がどこで見られるかだけでなく、その間の天気が旅に値するかどうかだからです。

← すべての季節世界のカレンダー

見られる時期

その月に泳げる海水温が見られる旅行先の数です。時期は毎年少しずつずれます。

1月の泳げる海水温

  1. オークランド 🇳🇿 ニュージーランドSea warm enough to swim · 1月1日〜4月15日（例年）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.89
  2. マル・デル・プラタ 🇦🇷 アルゼンチンSea just about warm enough · 1月1日〜3月15日（例年）The water is only really swimmable in January and February, and it stays that way into early March once the crowds have gone.86
  3. リマ 🇵🇪 ペルーBeach season on the south coast · 1月1日〜3月31日The overcast lifts and Lima decamps to the beach towns south of the city at weekends.85
  4. モンテビデオ 🇺🇾 ウルグアイRambla and beach season · 12月1日〜3月15日（例年）Pocitos and Malvin fill up once the water warms, and the rambla is the city's living room from late afternoon until dark.83
  5. シドニー 🇦🇺 オーストラリアWarmest sea of the year · 1月15日〜3月31日（例年）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.82
  6. プエルト・アヨラ 🇪🇨 エクアドルWarm season and calm crossings · 12月15日〜5月31日Warmer water, flatter seas and short heavy showers that green the islands.74
  7. ダーバン 🇿🇦 南アフリカ共和国Swimmable sea all year · 1月1日〜12月31日The Agulhas current runs warm down this coast, so this is the one big South African city where people swim in July without a wetsuit.72
  8. グランデ島 🇧🇷 ブラジルSea warm enough to swim · 12月1日〜4月30日（例年）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.66
  9. アルマサン・ドス・ブージオス 🇧🇷 ブラジルCold-water upwelling · 11月1日〜3月31日（例年）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.65
  10. フロリアノーポリス 🇧🇷 ブラジルSea warm enough to swim · 12月1日〜4月15日（例年）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.58
  11. リオデジャネイロ 🇧🇷 ブラジルWarmest sea of the year · 1月15日〜4月15日（例年）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.50

1月の世界のイベント →

2月の泳げる海水温

  1. オークランド 🇳🇿 ニュージーランドSea warm enough to swim · 1月1日〜4月15日（例年）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.87
  2. マル・デル・プラタ 🇦🇷 アルゼンチンSea just about warm enough · 1月1日〜3月15日（例年）The water is only really swimmable in January and February, and it stays that way into early March once the crowds have gone.84
  3. リマ 🇵🇪 ペルーBeach season on the south coast · 1月1日〜3月31日The overcast lifts and Lima decamps to the beach towns south of the city at weekends.81
  4. モンテビデオ 🇺🇾 ウルグアイRambla and beach season · 12月1日〜3月15日（例年）Pocitos and Malvin fill up once the water warms, and the rambla is the city's living room from late afternoon until dark.81
  5. シドニー 🇦🇺 オーストラリアWarmest sea of the year · 1月15日〜3月31日（例年）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.80
  6. グランデ島 🇧🇷 ブラジルSea warm enough to swim · 12月1日〜4月30日（例年）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.71
  7. ダーバン 🇿🇦 南アフリカ共和国Swimmable sea all year · 1月1日〜12月31日The Agulhas current runs warm down this coast, so this is the one big South African city where people swim in July without a wetsuit.69
  8. プエルト・アヨラ 🇪🇨 エクアドルWarm season and calm crossings · 12月15日〜5月31日Warmer water, flatter seas and short heavy showers that green the islands.68
  9. アルマサン・ドス・ブージオス 🇧🇷 ブラジルCold-water upwelling · 11月1日〜3月31日（例年）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.66
  10. フロリアノーポリス 🇧🇷 ブラジルSea warm enough to swim · 12月1日〜4月15日（例年）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.62
  11. リオデジャネイロ 🇧🇷 ブラジルWarmest sea of the year · 1月15日〜4月15日（例年）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.51

2月の世界のイベント →

3月の泳げる海水温

  1. オークランド 🇳🇿 ニュージーランドSea warm enough to swim · 1月1日〜4月15日（例年）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.91
  2. マル・デル・プラタ 🇦🇷 アルゼンチンSea just about warm enough · 1月1日〜3月15日（例年）The water is only really swimmable in January and February, and it stays that way into early March once the crowds have gone.89
  3. モンテビデオ 🇺🇾 ウルグアイRambla and beach season · 12月1日〜3月15日（例年）Pocitos and Malvin fill up once the water warms, and the rambla is the city's living room from late afternoon until dark.86
  4. リマ 🇵🇪 ペルーBeach season on the south coast · 1月1日〜3月31日The overcast lifts and Lima decamps to the beach towns south of the city at weekends.83
  5. シドニー 🇦🇺 オーストラリアWarmest sea of the year · 1月15日〜3月31日（例年）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.76
  6. ダーバン 🇿🇦 南アフリカ共和国Swimmable sea all year · 1月1日〜12月31日The Agulhas current runs warm down this coast, so this is the one big South African city where people swim in July without a wetsuit.74
  7. グランデ島 🇧🇷 ブラジルSea warm enough to swim · 12月1日〜4月30日（例年）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.72
  8. アルマサン・ドス・ブージオス 🇧🇷 ブラジルCold-water upwelling · 11月1日〜3月31日（例年）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.67
  9. フロリアノーポリス 🇧🇷 ブラジルSea warm enough to swim · 12月1日〜4月15日（例年）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.66
  10. プエルト・アヨラ 🇪🇨 エクアドルWarm season and calm crossings · 12月15日〜5月31日Warmer water, flatter seas and short heavy showers that green the islands.62
  11. リオデジャネイロ 🇧🇷 ブラジルWarmest sea of the year · 1月15日〜4月15日（例年）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.58

3月の世界のイベント →

4月の泳げる海水温

  1. オークランド 🇳🇿 ニュージーランドSea warm enough to swim · 1月1日〜4月15日（例年）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.83
  2. 沖縄県 🇯🇵 日本Beach season · 4月1日〜10月31日（例年）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.80
  3. グランデ島 🇧🇷 ブラジルSea warm enough to swim · 12月1日〜4月30日（例年）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.78
  4. フロリアノーポリス 🇧🇷 ブラジルSea warm enough to swim · 12月1日〜4月15日（例年）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.76
  5. 墾丁国家公園 🇹🇼 中華民国Calm sea season · 4月1日〜9月30日（例年）The water here is warm all year; what changes is the wind.76
  6. 宮古島 🇯🇵 日本Sea warm enough to swim · 4月1日〜11月15日（例年）The water off Yonaha Maehama is comfortable for most of the year.75
  7. ダーバン 🇿🇦 南アフリカ共和国Swimmable sea all year · 1月1日〜12月31日The Agulhas current runs warm down this coast, so this is the one big South African city where people swim in July without a wetsuit.74
  8. リオデジャネイロ 🇧🇷 ブラジルWarmest sea of the year · 1月15日〜4月15日（例年）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.69
  9. ラアス・アル＝ハイマ市 🇦🇪 アラブ首長国連邦Sea warm enough to swim · 4月1日〜11月30日（例年）The Gulf is swimmable from spring and by August it is closer to a warm bath than a cool one.68
  10. プエルト・アヨラ 🇪🇨 エクアドルWarm season and calm crossings · 12月15日〜5月31日Warmer water, flatter seas and short heavy showers that green the islands.66

4月の世界のイベント →

5月の泳げる海水温

  1. パフォス 🇨🇾 キプロスSea warm enough to swim · 5月20日〜11月15日（例年）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.95
  2. リマソール 🇨🇾 キプロスSea warm enough to swim · 5月20日〜11月15日（例年）The city beaches are dark sand and shelve gently, and the water stays comfortable into November.91
  3. アンタルヤ 🇹🇷 トルコSea warm enough to swim · 5月20日〜11月10日（例年）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.90
  4. アランヤ 🇹🇷 トルコSea warm enough to swim · 5月15日〜11月20日（例年）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.90
  5. テルアビブ 🇮🇱 イスラエルSwimming season · 5月15日〜11月15日The sea is comfortable without a wetsuit from about mid-May to mid-November, and the lifeguard towers work to that calendar.88
  6. ダーバン 🇿🇦 南アフリカ共和国Swimmable sea all year · 1月1日〜12月31日The Agulhas current runs warm down this coast, so this is the one big South African city where people swim in July without a wetsuit.84
  7. ボーンマス 🇬🇧 イギリスBeach season · 5月15日〜9月15日（例年）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 A31.84
  8. ハミルトン 🇧🇲 バミューダ諸島Sea warm enough to swim · 5月20日〜11月10日（例年）The Gulf Stream keeps the water in far later than the latitude suggests, and October is still comfortable without a wetsuit.83
  9. デン・ハーグ 🇳🇱 オランダScheveningen beach season · 5月15日〜9月20日（例年）The pavilions along Scheveningen and Kijkduin run through the warm months.82
  10. マルサ・アラム 🇪🇬 エジプトSea warm enough to swim · 5月1日〜11月30日（例年）Warm enough for a shorty or nothing from May into November, and the long shallow bays make it feel warmer still.76
  11. フルガダ 🇪🇬 エジプトSea warm enough to swim · 5月1日〜11月30日（例年）Warm enough for a shorty or nothing from May into November.75
  12. プエルト・アヨラ 🇪🇨 エクアドルWarm season and calm crossings · 12月15日〜5月31日Warmer water, flatter seas and short heavy showers that green the islands.75
  13. デスティン 🇺🇸 アメリカ合衆国Gulf warm enough to swim · 5月1日〜10月31日The Gulf here is comfortable from May and genuinely warm from July to September.75
  14. エル・グウナ 🇪🇬 エジプトSea warm enough to swim · 5月1日〜11月30日（例年）The Red Sea holds its heat into November and the reef trips run without a wetsuit.74
  15. ダハブ 🇪🇬 エジプトSea warm enough to swim · 5月15日〜11月30日（例年）Shorty-and-nothing water from late May into November.74
  16. クリアウォーター 🇺🇸 アメリカ合衆国Gulf warm enough to swim · 5月1日〜11月15日The shallow Gulf shelf warms early and holds it late, so the water is comfortable from May into November and bathlike by August.72
  17. シャルム・エル・シェイク 🇪🇬 エジプトSea warm enough to swim · 5月1日〜11月30日（例年）Warm enough for a shorty from May into November, at its best in September and October.71
  18. サラソータ 🇺🇸 アメリカ合衆国Gulf warm enough to swim · 5月1日〜10月31日The 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.71
  19. 沖縄県 🇯🇵 日本Beach season · 4月1日〜10月31日（例年）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.64
  20. アカバ 🇯🇴 ヨルダンSea warm enough to swim · 5月1日〜11月30日（例年）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.60
  21. 宮古島 🇯🇵 日本Sea warm enough to swim · 4月1日〜11月15日（例年）The water off Yonaha Maehama is comfortable for most of the year.60
  22. 墾丁国家公園 🇹🇼 中華民国Calm sea season · 4月1日〜9月30日（例年）The water here is warm all year; what changes is the wind.59
  23. ラアス・アル＝ハイマ市 🇦🇪 アラブ首長国連邦Sea warm enough to swim · 4月1日〜11月30日（例年）The Gulf is swimmable from spring and by August it is closer to a warm bath than a cool one.46

5月の世界のイベント →

6月の泳げる海水温

  1. ナザレ 🇵🇹 ポルトガルBeach season on the main praia · 6月15日〜9月20日（例年）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.94
  2. ダーバン 🇿🇦 南アフリカ共和国Swimmable sea all year · 1月1日〜12月31日The Agulhas current runs warm down this coast, so this is the one big South African city where people swim in July without a wetsuit.93
  3. コペンハーゲン 🇩🇰 デンマークHarbour swimming season · 6月1日〜8月31日（例年）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.92
  4. リーガ 🇱🇻 ラトビアJurmala beach season · 6月20日〜8月25日（例年）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.92
  5. マルベーリャ 🇪🇸 スペインSea warm enough to swim · 6月20日〜10月10日（例年）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.92
  6. ユールマラ 🇱🇻 ラトビアBaltic beach season · 6月15日〜8月25日（例年）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.92
  7. ジュネーヴ 🇨🇭 スイスLake swimming season · 6月15日〜9月15日（例年）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.91
  8. ファロ 🇵🇹 ポルトガルSea warm enough to swim · 6月20日〜10月20日（例年）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.91
  9. カディス 🇪🇸 スペインSea warm enough to swim · 6月25日〜10月10日（例年）This is the Atlantic, not the Mediterranean, and it stays a few degrees behind the east coast all summer.91
  10. カンヌ 🇫🇷 フランスSea warm enough to swim · 6月10日〜10月5日（例年）The bay is swimmable from the middle of June to the start of October.91
  11. ポルティマン 🇵🇹 ポルトガルSea warm enough · 6月25日〜10月5日（例年）This is the Atlantic rather than the Mediterranean and upwelling keeps it a couple of degrees cooler than the eastern Algarve.91
  12. オスロ 🇳🇴 ノルウェーFjord swimming season · 6月15日〜9月5日（例年）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.90
  13. タオルミーナ 🇮🇹 イタリアSea warm enough to swim · 6月10日〜10月20日（例年）The Ionian off Isola Bella and Mazzaro is warm from June to late October, and October days here still swim.90
  14. カリーニングラード 🇷🇺 ロシアBaltic swimming season · 6月15日〜9月15日（例年）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.90
  15. アジャクシオ 🇫🇷 フランスSea warm enough to swim · 6月15日〜10月10日（例年）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.89
  16. ケロウナ 🇨🇦 カナダOkanagan Lake swimming season · 6月20日〜9月10日（例年）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.89
  17. ミロス島 🇬🇷 ギリシャSea warm enough to swim · 6月10日〜10月15日（例年）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.89
  18. ボーンマス 🇬🇧 イギリスBeach season · 5月15日〜9月15日（例年）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 A31.89
  19. アルジェ 🇩🇿 アルジェリアBeach season on the Algérois coast · 6月25日〜10月5日（例年）The city moves west to Sidi Fredj and Zeralda and east to the Kabylie corniche, and the coast road is solid on Fridays.88
  20. マラガ 🇪🇸 スペインSea warm and espetos lit · 6月1日〜10月15日（例年）The chiringuitos run their sardine boats aground on the sand and grill on them from early summer to autumn.88
  21. マルセイユ 🇫🇷 フランスSea warm enough to swim · 6月15日〜10月10日（例年）The city swims from the Corniche and the Prado beaches from the middle of June into October.88
  22. マウイ島 🇺🇸 アメリカ合衆国Calmest water and warmest sea · 6月15日〜10月15日（例年）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.88
  23. オデーサ 🇺🇦 ウクライナSea warm enough to swim · 6月15日〜9月20日（例年）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.88
  24. ソチ 🇷🇺 ロシアBlack Sea swimming season · 6月1日〜10月5日（例年）The sea is comfortable from June and stays that way through September, when the beaches empty and the pebbles are finally yours.88
  25. アルブフェイラ 🇵🇹 ポルトガルSea warm enough to swim · 6月25日〜10月15日（例年）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.88

…6月はほか108か所。

6月の世界のイベント →

7月の泳げる海水温

  1. オスロ 🇳🇴 ノルウェーFjord swimming season · 6月15日〜9月5日（例年）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.94
  2. ラ・ロシェル 🇫🇷 フランスAtlantic swimming season · 6月25日〜9月20日（例年）The bay only really warms up from the end of June and cools quickly after the first September gales.94
  3. ボーンマス 🇬🇧 イギリスBeach season · 5月15日〜9月15日（例年）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 A31.94
  4. エリセイラ 🇵🇹 ポルトガルSea at its warmest · 7月20日〜10月5日（例年）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.93
  5. ナザレ 🇵🇹 ポルトガルBeach season on the main praia · 6月15日〜9月20日（例年）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.93
  6. ブライトン 🇬🇧 イギリスBeach season · 6月1日〜9月15日（例年）Day trippers from London fill the pebbles on any warm weekend and the trains down are rationed by capacity rather than timetable.92
  7. セント・ヘリア ジャージーBeach season · 6月20日〜9月20日（例年）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.92
  8. ダーバン 🇿🇦 南アフリカ共和国Swimmable sea all year · 1月1日〜12月31日The Agulhas current runs warm down this coast, so this is the one big South African city where people swim in July without a wetsuit.91
  9. カスカイス 🇵🇹 ポルトガルSea at its warmest · 7月20日〜10月5日（例年）The Atlantic upwelling keeps this coast cold well into summer and it only comes round in August and September.91
  10. ムンダカ 🇪🇸 スペインSummer beach season · 7月1日〜9月15日（例年）The wave almost never breaks in summer, and the estuary becomes a swimming and paddling spot instead.91
  11. デン・ハーグ 🇳🇱 オランダScheveningen beach season · 5月15日〜9月20日（例年）The pavilions along Scheveningen and Kijkduin run through the warm months.90
  12. コペンハーゲン 🇩🇰 デンマークHarbour swimming season · 6月1日〜8月31日（例年）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.89
  13. リーガ 🇱🇻 ラトビアJurmala beach season · 6月20日〜8月25日（例年）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.89
  14. フエルテベントゥラ島 🇪🇸 スペインSea at its warmest · 7月15日〜11月30日（例年）The Canary current keeps the water cooler than the latitude suggests and it peaks late, in September and October rather than August.89
  15. ラス・パルマス・デ・グラン・カナリア 🇪🇸 スペインSea at its warmest · 7月15日〜11月30日（例年）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.89
  16. サンタンデール 🇪🇸 スペインBeach season on the Sardinero · 7月1日〜9月20日（例年）The northern coast warms late and cools fast, so the swimming window is roughly July to mid-September.89
  17. ユールマラ 🇱🇻 ラトビアBaltic beach season · 6月15日〜8月25日（例年）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.89
  18. サン・セバスティアン 🇪🇸 スペインLa Concha swimming season · 7月1日〜9月25日（例年）The Cantabrian sea is cold and slow to warm, so the bay only really swims from July to late September.88
  19. ラゴス 🇵🇹 ポルトガルSea warm enough to swim · 7月1日〜10月5日（例年）The western Algarve sits closer to the Atlantic than the eastern half and runs a few degrees behind it all summer.88
  20. カリーニングラード 🇷🇺 ロシアBaltic swimming season · 6月15日〜9月15日（例年）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.88
  21. ジュネーヴ 🇨🇭 スイスLake swimming season · 6月15日〜9月15日（例年）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.87
  22. グダニスク 🇵🇱 ポーランドBaltic swimming season · 7月1日〜8月31日（例年）The sea at Sopot and Brzezno is swimmable for about two months and no longer.87
  23. ポルティマン 🇵🇹 ポルトガルSea warm enough · 6月25日〜10月5日（例年）This is the Atlantic rather than the Mediterranean and upwelling keeps it a couple of degrees cooler than the eastern Algarve.87
  24. マウイ島 🇺🇸 アメリカ合衆国Calmest water and warmest sea · 6月15日〜10月15日（例年）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.86
  25. ファロ 🇵🇹 ポルトガルSea warm enough to swim · 6月20日〜10月20日（例年）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.86

…7月はほか127か所。

7月の世界のイベント →

8月の泳げる海水温

  1. グダニスク 🇵🇱 ポーランドBaltic swimming season · 7月1日〜8月31日（例年）The sea at Sopot and Brzezno is swimmable for about two months and no longer.93
  2. エリセイラ 🇵🇹 ポルトガルSea at its warmest · 7月20日〜10月5日（例年）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.93
  3. ダーバン 🇿🇦 南アフリカ共和国Swimmable sea all year · 1月1日〜12月31日The Agulhas current runs warm down this coast, so this is the one big South African city where people swim in July without a wetsuit.92
  4. ラ・ロシェル 🇫🇷 フランスAtlantic swimming season · 6月25日〜9月20日（例年）The bay only really warms up from the end of June and cools quickly after the first September gales.92
  5. カリーニングラード 🇷🇺 ロシアBaltic swimming season · 6月15日〜9月15日（例年）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.92
  6. ナザレ 🇵🇹 ポルトガルBeach season on the main praia · 6月15日〜9月20日（例年）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.91
  7. ボーンマス 🇬🇧 イギリスBeach season · 5月15日〜9月15日（例年）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 A31.91
  8. ジュネーヴ 🇨🇭 スイスLake swimming season · 6月15日〜9月15日（例年）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.90
  9. カスカイス 🇵🇹 ポルトガルSea at its warmest · 7月20日〜10月5日（例年）The Atlantic upwelling keeps this coast cold well into summer and it only comes round in August and September.90
  10. ブライトン 🇬🇧 イギリスBeach season · 6月1日〜9月15日（例年）Day trippers from London fill the pebbles on any warm weekend and the trains down are rationed by capacity rather than timetable.90
  11. サンディエゴ 🇺🇸 アメリカ合衆国Sea at its warmest · 8月1日〜9月30日（例年）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.89
  12. デン・ハーグ 🇳🇱 オランダScheveningen beach season · 5月15日〜9月20日（例年）The pavilions along Scheveningen and Kijkduin run through the warm months.89
  13. セント・ヘリア ジャージーBeach season · 6月20日〜9月20日（例年）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.89
  14. コペンハーゲン 🇩🇰 デンマークHarbour swimming season · 6月1日〜8月31日（例年）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.88
  15. サンタンデール 🇪🇸 スペインBeach season on the Sardinero · 7月1日〜9月20日（例年）The northern coast warms late and cools fast, so the swimming window is roughly July to mid-September.88
  16. ジルト島 🇩🇪 ドイツNorth Sea swimming season · 7月1日〜9月10日（例年）The water reaches the high teens in late summer and no higher.88
  17. ニューキー 🇬🇧 イギリスSea at its warmest · 8月1日〜9月30日（例年）The water lags the air by about two months, so late August into September is the best of it.88
  18. リーガ 🇱🇻 ラトビアJurmala beach season · 6月20日〜8月25日（例年）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.87
  19. サウス・レイク・タホ 🇺🇸 アメリカ合衆国Lake warm enough to swim · 7月10日〜9月10日（例年）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.87
  20. マウイ島 🇺🇸 アメリカ合衆国Calmest water and warmest sea · 6月15日〜10月15日（例年）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.87
  21. ラゴス 🇵🇹 ポルトガルSea warm enough to swim · 7月1日〜10月5日（例年）The western Algarve sits closer to the Atlantic than the eastern half and runs a few degrees behind it all summer.87
  22. ラス・パルマス・デ・グラン・カナリア 🇪🇸 スペインSea at its warmest · 7月15日〜11月30日（例年）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.87
  23. アヌシー 🇫🇷 フランスLake warm enough to swim · 6月25日〜9月10日（例年）The lake comes up to swimming temperature in the last week of June and holds it into September.87
  24. モントルー 🇨🇭 スイスLake swimming season · 6月20日〜9月15日（例年）The Vaud shore swims from late June, and the water holds into September after the festival crowd has gone.87
  25. ユールマラ 🇱🇻 ラトビアBaltic beach season · 6月15日〜8月25日（例年）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.87

…8月はほか133か所。

8月の世界のイベント →

9月の泳げる海水温

  1. オデーサ 🇺🇦 ウクライナSea warm enough to swim · 6月15日〜9月20日（例年）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.95
  2. ケロウナ 🇨🇦 カナダOkanagan Lake swimming season · 6月20日〜9月10日（例年）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.94
  3. ママイア 🇷🇴 ルーマニアSea warm enough to swim · 6月15日〜9月15日（例年）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.93
  4. オフリド 🇲🇰 北マケドニアLake warm enough to swim · 7月1日〜9月10日（例年）Three million years old and nearly three hundred metres deep, so it takes all summer to warm and only the top few metres do.92
  5. ナザレ 🇵🇹 ポルトガルBeach season on the main praia · 6月15日〜9月20日（例年）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.92
  6. スランチェフ・ブリャグ 🇧🇬 ブルガリアBlack Sea swimming season · 6月15日〜9月25日（例年）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.92
  7. ハルキディキ 🇬🇷 ギリシャSea warm enough to swim · 6月1日〜10月15日（例年）Three sheltered peninsulas mean the water warms early and there is always a lee shore.91
  8. カスカイス 🇵🇹 ポルトガルSea at its warmest · 7月20日〜10月5日（例年）The Atlantic upwelling keeps this coast cold well into summer and it only comes round in August and September.91
  9. サンディエゴ 🇺🇸 アメリカ合衆国Sea at its warmest · 8月1日〜9月30日（例年）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.90
  10. ラゴス 🇵🇹 ポルトガルSea warm enough to swim · 7月1日〜10月5日（例年）The western Algarve sits closer to the Atlantic than the eastern half and runs a few degrees behind it all summer.90
  11. ファロ 🇵🇹 ポルトガルSea warm enough to swim · 6月20日〜10月20日（例年）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.90
  12. カンヌ 🇫🇷 フランスSea warm enough to swim · 6月10日〜10月5日（例年）The bay is swimmable from the middle of June to the start of October.90
  13. エリセイラ 🇵🇹 ポルトガルSea at its warmest · 7月20日〜10月5日（例年）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.90
  14. ラ・ロシェル 🇫🇷 フランスAtlantic swimming season · 6月25日〜9月20日（例年）The bay only really warms up from the end of June and cools quickly after the first September gales.90
  15. リスボン 🇵🇹 ポルトガルSea at its warmest · 8月15日〜10月10日（例年）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.89
  16. ニース 🇫🇷 フランスSea warm enough to swim · 6月25日〜10月15日（例年）The Mediterranean here holds its heat into October, well after the crowds have gone.89
  17. モナコ 🇲🇨 モナコSea warm enough to swim · 6月25日〜10月10日（例年）Larvotto is the only public beach and it is small, so it fills by mid-morning through the summer.89
  18. マルセイユ 🇫🇷 フランスSea warm enough to swim · 6月15日〜10月10日（例年）The city swims from the Corniche and the Prado beaches from the middle of June into October.89
  19. ポルティマン 🇵🇹 ポルトガルSea warm enough · 6月25日〜10月5日（例年）This is the Atlantic rather than the Mediterranean and upwelling keeps it a couple of degrees cooler than the eastern Algarve.89
  20. ジュネーヴ 🇨🇭 スイスLake swimming season · 6月15日〜9月15日（例年）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.88
  21. カディス 🇪🇸 スペインSea warm enough to swim · 6月25日〜10月10日（例年）This is the Atlantic, not the Mediterranean, and it stays a few degrees behind the east coast all summer.88
  22. マルベーリャ 🇪🇸 スペインSea warm enough to swim · 6月20日〜10月10日（例年）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.88
  23. アジャクシオ 🇫🇷 フランスSea warm enough to swim · 6月15日〜10月10日（例年）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.88
  24. リミニ 🇮🇹 イタリアSea warm enough · 6月20日〜9月20日（例年）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.88
  25. サントロペ 🇫🇷 フランスSea warm enough to swim · 6月10日〜10月5日（例年）The gulf is swimmable from June into early October.88

…9月はほか129か所。

9月の世界のイベント →

10月の泳げる海水温

  1. アテネ 🇬🇷 ギリシャSea warm enough to swim · 6月1日〜10月31日（例年）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.94
  2. ナフプリオ 🇬🇷 ギリシャSea warm enough · 6月15日〜10月15日（例年）The town beach at Arvanitia is a slab of rock rather than sand; the swimming is at Karathona round the headland or at Tolo.93
  3. イズミル 🇹🇷 トルコSea warm enough to swim · 6月10日〜10月20日（例年）Nobody swims in the gulf itself; the season is measured by the peninsula, Cesme and Urla, forty minutes west.93
  4. オルデニズ 🇹🇷 トルコSwimming season · 6月1日〜10月15日（例年）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.93
  5. イラクリオン 🇬🇷 ギリシャSea warm enough to swim · 6月1日〜11月5日（例年）Crete's water runs a month ahead of the mainland at both ends of the season.92
  6. カリャリ 🇮🇹 イタリアPoetto swimming season · 6月10日〜10月10日（例年）The city beach runs eight kilometres and the kiosks work from June until the water goes off in October.92
  7. チェシュメ 🇹🇷 トルコSea warm enough to swim · 6月5日〜10月20日（例年）Ilica and the shallow bays warm up fast and stay swimmable into October, once the beach clubs have stopped charging for a sunbed.92
  8. ボニファシオ 🇫🇷 フランスSea warm enough to swim · 6月10日〜10月10日（例年）The water off the Lavezzi and the beaches east of town is swimmable from June into early October.92
  9. サントリーニ島 🇬🇷 ギリシャSea still warm · 8月15日〜10月25日（例年）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.91
  10. アルジェ 🇩🇿 アルジェリアBeach season on the Algérois coast · 6月25日〜10月5日（例年）The city moves west to Sidi Fredj and Zeralda and east to the Kabylie corniche, and the coast road is solid on Fridays.91
  11. オルビア 🇮🇹 イタリアSea warm enough · 6月20日〜10月5日（例年）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.91
  12. パロス島 🇬🇷 ギリシャSea warm enough to swim · 6月10日〜10月15日（例年）Warm from mid-June to mid-October.91
  13. シデー 🇹🇷 トルコSwimming season · 6月1日〜10月31日（例年）The bay warms early and holds it deep into October, well past the point the package flights taper off.91
  14. ミコノス島 🇬🇷 ギリシャSea warm enough to swim · 6月10日〜10月15日（例年）Warm through to mid-October, though which beach is swimmable on a given day is decided by the wind rather than the temperature.90
  15. ラゴス 🇵🇹 ポルトガルSea warm enough to swim · 7月1日〜10月5日（例年）The western Algarve sits closer to the Atlantic than the eastern half and runs a few degrees behind it all summer.90
  16. アジャクシオ 🇫🇷 フランスSea warm enough to swim · 6月15日〜10月10日（例年）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.90
  17. バーリ 🇮🇹 イタリアSea warm enough · 6月20日〜10月10日（例年）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.90
  18. ポルティマン 🇵🇹 ポルトガルSea warm enough · 6月25日〜10月5日（例年）This is the Atlantic rather than the Mediterranean and upwelling keeps it a couple of degrees cooler than the eastern Algarve.90
  19. アルゲーロ 🇮🇹 イタリアSea warm enough to swim · 6月20日〜10月5日（例年）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.90
  20. ネルハ 🇪🇸 スペインSwimming season · 6月15日〜10月20日（例年）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.90
  21. ナクソス島 🇬🇷 ギリシャSea warm enough to swim · 6月10日〜10月15日（例年）The long west-coast sand at Plaka and Agios Prokopios shelves shallowly, so it warms early and stays comfortable well into October.90
  22. ロドス島 🇬🇷 ギリシャSea warm enough to swim · 6月10日〜10月31日（例年）The east coast is the swimmable side and stays comfortable to the end of October.89
  23. パフォス 🇨🇾 キプロスSea warm enough to swim · 5月20日〜11月15日（例年）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.89
  24. マラガ 🇪🇸 スペインSea warm and espetos lit · 6月1日〜10月15日（例年）The chiringuitos run their sardine boats aground on the sand and grill on them from early summer to autumn.89
  25. フエルテベントゥラ島 🇪🇸 スペインSea at its warmest · 7月15日〜11月30日（例年）The Canary current keeps the water cooler than the latitude suggests and it peaks late, in September and October rather than August.89

…10月はほか89か所。

10月の世界のイベント →

11月の泳げる海水温

  1. リマソール 🇨🇾 キプロスSea warm enough to swim · 5月20日〜11月15日（例年）The city beaches are dark sand and shelve gently, and the water stays comfortable into November.93
  2. ラルナカ 🇨🇾 キプロスSea warm enough · 6月1日〜11月15日（例年）The eastern Mediterranean is the warmest water in Europe by late summer and it stays swimmable here into November.92
  3. パフォス 🇨🇾 キプロスSea warm enough to swim · 5月20日〜11月15日（例年）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.92
  4. ラス・パルマス・デ・グラン・カナリア 🇪🇸 スペインSea at its warmest · 7月15日〜11月30日（例年）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.92
  5. ランサローテ島 🇪🇸 スペインSea at its warmest · 7月15日〜11月30日（例年）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.90
  6. テネリフェ島 🇪🇸 スペインWarmest sea of the year · 9月1日〜11月5日（例年）The Atlantic here is at its best in early autumn rather than midsummer, which is the argument for September and October over August.90
  7. イラクリオン 🇬🇷 ギリシャSea warm enough to swim · 6月1日〜11月5日（例年）Crete's water runs a month ahead of the mainland at both ends of the season.89
  8. テルアビブ 🇮🇱 イスラエルSwimming season · 5月15日〜11月15日The sea is comfortable without a wetsuit from about mid-May to mid-November, and the lifeguard towers work to that calendar.89
  9. フエルテベントゥラ島 🇪🇸 スペインSea at its warmest · 7月15日〜11月30日（例年）The Canary current keeps the water cooler than the latitude suggests and it peaks late, in September and October rather than August.89
  10. ダハブ 🇪🇬 エジプトSea warm enough to swim · 5月15日〜11月30日（例年）Shorty-and-nothing water from late May into November.86
  11. アランヤ 🇹🇷 トルコSea warm enough to swim · 5月15日〜11月20日（例年）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.86
  12. フルガダ 🇪🇬 エジプトSea warm enough to swim · 5月1日〜11月30日（例年）Warm enough for a shorty or nothing from May into November.85
  13. エル・グウナ 🇪🇬 エジプトSea warm enough to swim · 5月1日〜11月30日（例年）The Red Sea holds its heat into November and the reef trips run without a wetsuit.85
  14. クリアウォーター 🇺🇸 アメリカ合衆国Gulf warm enough to swim · 5月1日〜11月15日The shallow Gulf shelf warms early and holds it late, so the water is comfortable from May into November and bathlike by August.85
  15. シャルム・エル・シェイク 🇪🇬 エジプトSea warm enough to swim · 5月1日〜11月30日（例年）Warm enough for a shorty from May into November, at its best in September and October.84
  16. マルサ・アラム 🇪🇬 エジプトSea warm enough to swim · 5月1日〜11月30日（例年）Warm enough for a shorty or nothing from May into November, and the long shallow bays make it feel warmer still.84
  17. アカバ 🇯🇴 ヨルダンSea warm enough to swim · 5月1日〜11月30日（例年）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.83
  18. バレッタ 🇲🇹 マルタSea warm enough to swim · 6月1日〜11月10日（例年）Valletta itself has no beach; swimming means the rocks at Sliema across the harbour or a bus to the north.82
  19. ダーバン 🇿🇦 南アフリカ共和国Swimmable sea all year · 1月1日〜12月31日The Agulhas current runs warm down this coast, so this is the one big South African city where people swim in July without a wetsuit.81
  20. アンタルヤ 🇹🇷 トルコSea warm enough to swim · 5月20日〜11月10日（例年）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.80
  21. ハニア 🇬🇷 ギリシャSea warm enough to swim · 6月1日〜11月5日（例年）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.80
  22. ラアス・アル＝ハイマ市 🇦🇪 アラブ首長国連邦Sea warm enough to swim · 4月1日〜11月30日（例年）The Gulf is swimmable from spring and by August it is closer to a warm bath than a cool one.76
  23. ハミルトン 🇧🇲 バミューダ諸島Sea warm enough to swim · 5月20日〜11月10日（例年）The Gulf Stream keeps the water in far later than the latitude suggests, and October is still comfortable without a wetsuit.75
  24. アルマサン・ドス・ブージオス 🇧🇷 ブラジルCold-water upwelling · 11月1日〜3月31日（例年）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.71
  25. 宮古島 🇯🇵 日本Sea warm enough to swim · 4月1日〜11月15日（例年）The water off Yonaha Maehama is comfortable for most of the year.70

11月の世界のイベント →

12月の泳げる海水温

  1. モンテビデオ 🇺🇾 ウルグアイRambla and beach season · 12月1日〜3月15日（例年）Pocitos and Malvin fill up once the water warms, and the rambla is the city's living room from late afternoon until dark.88
  2. プエルト・アヨラ 🇪🇨 エクアドルWarm season and calm crossings · 12月15日〜5月31日Warmer water, flatter seas and short heavy showers that green the islands.81
  3. ダーバン 🇿🇦 南アフリカ共和国Swimmable sea all year · 1月1日〜12月31日The Agulhas current runs warm down this coast, so this is the one big South African city where people swim in July without a wetsuit.73
  4. グランデ島 🇧🇷 ブラジルSea warm enough to swim · 12月1日〜4月30日（例年）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.73
  5. アルマサン・ドス・ブージオス 🇧🇷 ブラジルCold-water upwelling · 11月1日〜3月31日（例年）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.69
  6. フロリアノーポリス 🇧🇷 ブラジルSea warm enough to swim · 12月1日〜4月15日（例年）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.68

12月の世界のイベント →

泳げる海水温 — 世界の月別ガイド | SeasonMap