Sea temperature in October
In October, 170 of 211 coastal destinations have water of 20 °C or more. The warmest sea is at Abu Dhabi with 31 °C. In Europe, the water is warmest at Ayia Napa (26 °C).
Sea temperature by country in October
Coolest to warmest coastal destination per country.
| Country | Sea temperature | Places |
|---|---|---|
| United Arab Emirates | 31° | 2 |
| Qatar | 31° | 1 |
| Jamaica | 30° | 1 |
| Malaysia | 30° | 2 |
| Colombia | 30° | 1 |
| Oman | 30° | 1 |
| Singapore | 30° | 1 |
| Mexico | 29–30° | 5 |
| Thailand | 29–30° | 6 |
| Philippines | 29–30° | 3 |
| Barbados | 29° | 1 |
| Maldives | 29° | 1 |
| Dominican Republic | 29° | 2 |
| Cuba | 29° | 2 |
| Aruba | 29° | 1 |
| Curaçao | 29° | 1 |
| India | 29° | 2 |
| Puerto Rico | 29° | 1 |
| Vietnam | 28–29° | 4 |
| Egypt | 28° | 4 |
| Seychelles | 28° | 1 |
| Bahamas | 28° | 1 |
| Sri Lanka | 28° | 4 |
| Costa Rica | 28° | 1 |
| USA | 14–28° | 8 |
| Cape Verde | 27° | 2 |
| Tanzania | 27° | 1 |
| Hong Kong | 27° | 1 |
| Indonesia | 27° | 1 |
| French Polynesia | 27° | 2 |
| Fiji | 27° | 1 |
| Kenya | 27° | 2 |
| Israel | 26–27° | 2 |
| Japan | 22–27° | 2 |
| Jordan | 26° | 1 |
| Cyprus | 25–26° | 4 |
| Tunisia | 24–26° | 4 |
| Turkey | 19–26° | 12 |
| Australia | 15–26° | 5 |
| Mauritius | 24° | 1 |
| Malta | 24° | 2 |
| Greece | 21–24° | 16 |
| Spain | 19–24° | 21 |
| Italy | 19–23° | 16 |
| Portugal | 17–23° | 8 |
| Albania | 22° | 2 |
| Brazil | 21–22° | 2 |
| South Africa | 15–22° | 2 |
| Montenegro | 21° | 2 |
| Croatia | 20–21° | 8 |
| France | 19–21° | 7 |
| Morocco | 20° | 2 |
| Monaco | 20° | 1 |
| Argentina | 19° | 1 |
| Bulgaria | 18–19° | 2 |
| New Zealand | 16° | 1 |
| Namibia | 14° | 1 |
| Ireland | 14° | 1 |
| Germany | 12–14° | 7 |
| Poland | 13° | 1 |
| Norway | 9–13° | 3 |
| Denmark | 12° | 2 |
| United Kingdom | 12° | 1 |
| Canada | 11° | 1 |
| Finland | 11° | 1 |
| Sweden | 10° | 1 |
| Iceland | 9° | 1 |
From about 20 °C, the sea is comfortable for swimming.
Sea temperature in October: quick answers
Where is the sea warmest in October?
In October, the sea is warmest at Abu Dhabi (31 °C), Dubai (31 °C) and Doha (31 °C).
Where can you swim in Europe in October?
In Europe, the sea is warmest at Ayia Napa (26 °C), Alanya (26 °C) and Limassol (25 °C). 90 European destinations reach 20 °C or more in October.
Sea temperature, month by month
Sea temperature all yearWhere to go in October
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0)