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Warmest sea temperatures in Europe year-round: ranked by sea temperature

Nicosia tops the list at 22 °C averaged across the year. Ranked from 1991–2020 climate normals across 50 destinations in Europe.

Top three averaged across all twelve months: Nicosia (22 °C) , Limassol (22 °C) , La Laguna (21 °C) . Between first and 50th place the sea temp differs by 6.7 °C.

# Destination Country Sea temp Avg high Avg low Rainfall Wet days Sunshine Sea temp
1 Nicosia Cyprus 22 °C 25 °C 15 °C 29 mm 5 341 h 22 °C
2 Limassol Cyprus 22 °C 24 °C 16 °C 23 mm 4 342 h 22 °C
3 La Laguna Spain 21 °C 19 °C 16 °C 23 mm 4 346 h 21 °C
4 Las Palmas de Gran Canaria Spain 21 °C 22 °C 17 °C 18 mm 4 346 h 21 °C
5 Valletta Malta 20 °C 21 °C 17 °C 32 mm 5 333 h 20 °C
6 Palermo Italy 20 °C 21 °C 15 °C 52 mm 8 326 h 20 °C
7 Athens Greece 20 °C 22 °C 13 °C 32 mm 5 318 h 20 °C
8 Messina Italy 20 °C 21 °C 15 °C 78 mm 10 321 h 20 °C
9 Pátra Greece 20 °C 21 °C 13 °C 75 mm 8 314 h 20 °C
10 Reggio Calabria Italy 20 °C 21 °C 14 °C 87 mm 11 321 h 20 °C
11 Catania Italy 20 °C 22 °C 14 °C 47 mm 6 318 h 20 °C
12 Naples Italy 19 °C 20 °C 13 °C 90 mm 9 308 h 19 °C
13 Palma Spain 19 °C 21 °C 15 °C 33 mm 5 327 h 19 °C
14 Alicante Spain 19 °C 22 °C 15 °C 32 mm 5 330 h 19 °C
15 Elche Spain 19 °C 23 °C 13 °C 24 mm 4 330 h 19 °C
16 Cartagena Spain 19 °C 21 °C 16 °C 22 mm 3 333 h 19 °C
17 Castelló de la Plana Spain 19 °C 21 °C 13 °C 32 mm 4 321 h 19 °C
18 Durrës Albania 19 °C 19 °C 14 °C 100 mm 9 313 h 19 °C
19 Taranto Italy 19 °C 21 °C 13 °C 47 mm 6 319 h 19 °C
20 Valencia Spain 19 °C 22 °C 14 °C 35 mm 5 322 h 19 °C
21 Thessaloníki Greece 19 °C 20 °C 12 °C 54 mm 7 299 h 19 °C
22 Jerez de la Frontera Spain 19 °C 24 °C 13 °C 43 mm 5 331 h 19 °C
23 Almería Spain 19 °C 23 °C 15 °C 18 mm 3 340 h 19 °C
24 Bari Italy 19 °C 20 °C 14 °C 51 mm 8 313 h 19 °C
25 Livorno Italy 19 °C 19 °C 13 °C 74 mm 8 308 h 19 °C
26 Genoa Italy 18 °C 18 °C 11 °C 109 mm 11 280 h 18 °C
27 Málaga Spain 18 °C 21 °C 15 °C 39 mm 5 329 h 18 °C
28 Badalona Spain 18 °C 20 °C 12 °C 49 mm 7 314 h 18 °C
29 Barcelona Spain 18 °C 19 °C 12 °C 49 mm 7 314 h 18 °C
30 Sabadell Spain 18 °C 19 °C 11 °C 54 mm 8 312 h 18 °C
31 Nice France 18 °C 19 °C 12 °C 70 mm 8 313 h 18 °C
32 Monaco Monaco 18 °C 18 °C 12 °C 69 mm 8 313 h 18 °C
33 Marbella Spain 18 °C 21 °C 15 °C 55 mm 5 328 h 18 °C
34 Gibraltar Gibraltar 18 °C 21 °C 15 °C 57 mm 6 330 h 18 °C
35 Toulon France 18 °C 19 °C 12 °C 58 mm 6 314 h 18 °C
36 San Marino San Marino 17 °C 15 °C 6.6 °C 70 mm 9 294 h 17 °C
37 Trieste Italy 17 °C 17 °C 9.6 °C 124 mm 11 280 h 17 °C
38 Marseille France 17 °C 19 °C 12 °C 51 mm 6 317 h 17 °C
39 Sochi Russia 17 °C 17 °C 11 °C 110 mm 11 289 h 17 °C
40 Lisbon Portugal 17 °C 20 °C 14 °C 46 mm 6 319 h 17 °C
41 Donostia / San Sebastián Spain 16 °C 17 °C 11 °C 122 mm 14 267 h 16 °C
42 Montpellier France 16 °C 19 °C 11 °C 70 mm 7 307 h 16 °C
43 Bilbao Spain 16 °C 17 °C 12 °C 90 mm 13 270 h 16 °C
44 Santander Spain 16 °C 18 °C 11 °C 97 mm 13 286 h 16 °C
45 Novorossiysk Russia 16 °C 16 °C 10 °C 50 mm 8 290 h 16 °C
46 Gijón Spain 16 °C 17 °C 11 °C 101 mm 13 290 h 16 °C
47 Oviedo Spain 16 °C 16 °C 8.0 °C 102 mm 14 275 h 16 °C
48 Porto Portugal 15 °C 19 °C 11 °C 105 mm 9 305 h 15 °C
49 Vigo Spain 15 °C 18 °C 11 °C 142 mm 11 297 h 15 °C
50 Sevastopol Ukraine 15 °C 16 °C 9.9 °C 36 mm 7 292 h 15 °C

Averaged across all twelve months, and only for destinations with a full twelve-month series and a published climate page. Download this ranking as CSV.

Month by month

The same ranking for each month of the year:

How this ranking is built

What is ranked
The average sea surface temperature at the coast, in °C, averaged across all twelve months, highest first.
Period
1991–2020 climate normals: the same 30 years for every destination, so the list compares like with like.
Who is included
50 destinations in Europe with a published climate page and a complete twelve-month series. Neighbouring places that share a climate series are shown once.
Ties
Equal values are ordered by beach score.
Sources
ERA5 / ERA5-Land reanalysis via Open-Meteo; sea temperature from NOAA OISST v2.1. Measured values are reproduced unchanged; only the ordering is ours.

Data sources and method

Normal period
1991–2020
Dataset version
era5-1991-2020-scores1.1
Last processed

Measured values come from ERA5 reanalysis and are reproduced unchanged. Calculated by us: ranking order, beach and comfort scores. Full formulas are on the methodology page.

Contains modified Copernicus Climate Change Service information 2026. Neither the European Commission nor ECMWF is responsible for any use that may be made of the Copernicus information or data it contains.