Sea temperature

Sea temperature in January

In January, 81 of 211 coastal destinations have water of 20 °C or more. The warmest sea is at Langkawi (Kuah) with 29 °C. In Europe, the water is warmest at Santa Cruz de La Palma (20 °C).

Sea temperature by country in January

Coolest to warmest coastal destination per country.

CountrySea temperaturePlaces
Malaysia29°2
Fiji29°1
Indonesia29°1
India28–29°2
French Polynesia28–29°2
Thailand27–29°6
Australia21–29°5
Colombia28°1
Costa Rica28°1
Kenya28°2
Maldives28°1
Sri Lanka28°4
Tanzania28°1
Mauritius28°1
Seychelles28°1
Singapore28°1
Philippines27–28°3
Vietnam24–28°4
Barbados27°1
Jamaica27°1
Dominican Republic27°2
Curaçao27°1
Puerto Rico27°1
Mexico23–27°5
Cuba26°2
Aruba26°1
Argentina26°1
Brazil25–26°2
South Africa17–25°2
USA6–25°8
Oman24°1
Bahamas24°1
Egypt23–24°4
Cape Verde23°2
Japan13–23°2
United Arab Emirates22°2
Jordan22°1
Israel19–22°2
New Zealand21°1
Qatar20°1
Hong Kong20°1
Spain13–20°21
Portugal14–19°8
Namibia18°1
Cyprus18°4
Morocco17–18°2
Greece14–18°16
Turkey9–18°12
Malta16°2
Tunisia16°4
Albania15–16°2
Montenegro15°2
Croatia12–15°8
Italy10–15°16
Monaco14°1
France13–14°7
Ireland9°1
Bulgaria8°2
United Kingdom7°1
Canada7°1
Norway4–7°3
Iceland5°1
Denmark3–5°2
Germany3–5°7
Poland4°1
Sweden3°1
Finland2°1

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

Sea temperature in January: quick answers

Where is the sea warmest in January?

In January, the sea is warmest at Langkawi (Kuah) (29 °C), Patong, Phuket (29 °C) and Khao Lak (29 °C).

Where can you swim in Europe in January?

In Europe, the sea is warmest at Santa Cruz de La Palma (20 °C), Maspalomas, Gran Canaria (20 °C) and Puerto de la Cruz, Tenerife (20 °C). 4 European destinations reach 20 °C or more in January.

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)