Sea temperature

Sea temperature in August

In August, 181 of 211 coastal destinations have water of 20 °C or more. The warmest sea is at Dubai with 34 °C. In Europe, the water is warmest at Alanya (29 °C).

Sea temperature by country in August

Coolest to warmest coastal destination per country.

CountrySea temperaturePlaces
United Arab Emirates34°2
Qatar34°1
Oman31°1
Bahamas30°1
Cuba30°2
Jamaica30°1
Malaysia30°2
Colombia30°1
Mexico29–30°5
Egypt29–30°4
Thailand29–30°6
Vietnam28–30°4
USA15–30°8
Dominican Republic29°2
Curaçao29°1
Maldives29°1
Barbados29°1
Philippines29°3
Costa Rica29°1
Singapore29°1
Hong Kong29°1
Puerto Rico29°1
Israel28–29°2
Japan26–29°2
Turkey24–29°12
Aruba28°1
Sri Lanka28°4
Jordan28°1
Cyprus27–28°4
Tunisia27–28°4
Malta27°2
French Polynesia27°2
India27°2
Italy25–27°16
Greece24–27°16
Spain22–27°21
Montenegro26°2
Cape Verde26°2
Indonesia26°1
Tanzania26°1
Fiji26°1
Seychelles26°1
Kenya26°2
Croatia25–26°8
France22–26°7
Albania25°2
Bulgaria25°2
Monaco25°1
Mauritius24°1
Portugal17–24°8
Australia11–24°5
Brazil18–21°2
South Africa15–21°2
Morocco20°2
Germany19–20°7
Poland19°1
Norway11–19°3
Denmark18°2
Canada17°1
Sweden17°1
Finland17°1
Ireland15°1
United Kingdom15°1
Argentina14°1
New Zealand14°1
Namibia13°1
Iceland12°1

From about 20 °C, the sea is comfortable for swimming.

Sea temperature in August: quick answers

Where is the sea warmest in August?

In August, the sea is warmest at Dubai (34 °C), Abu Dhabi (34 °C) and Doha (34 °C).

Where can you swim in Europe in August?

In Europe, the sea is warmest at Alanya (29 °C), Side (29 °C) and Antalya (29 °C). 99 European destinations reach 20 °C or more in August.

Sea temperature, month by month

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)