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Warmest sea temperatures in Europe in October: ranked by sea temperature

Nicosia tops the list at 25 °C in October. Ranked from 1991–2020 climate normals across 50 destinations in Europe.

Top three in October: Nicosia (25 °C) , Limassol (25 °C) , Valletta (24 °C) . Between first and 50th place the sea temp differs by 7.6 °C.

# Destination Country Sea temp Avg high Avg low Rainfall Wet days Sunshine Sea temp
1 Nicosia Cyprus 25 °C 27 °C 17 °C 36 mm 5 331 h 25 °C
2 Limassol Cyprus 25 °C 27 °C 19 °C 16 mm 4 332 h 25 °C
3 Valletta Malta 24 °C 23 °C 20 °C 49 mm 6 303 h 24 °C
4 La Laguna Spain 24 °C 21 °C 18 °C 34 mm 6 329 h 24 °C
5 Las Palmas de Gran Canaria Spain 23 °C 24 °C 20 °C 28 mm 5 331 h 23 °C
6 Athens Greece 23 °C 23 °C 15 °C 28 mm 4 292 h 23 °C
7 Palermo Italy 23 °C 23 °C 17 °C 81 mm 10 293 h 23 °C
8 Reggio Calabria Italy 23 °C 22 °C 16 °C 105 mm 11 293 h 23 °C
9 Catania Italy 23 °C 23 °C 17 °C 71 mm 8 284 h 23 °C
10 Pátra Greece 23 °C 22 °C 14 °C 75 mm 8 292 h 23 °C
11 Messina Italy 22 °C 23 °C 17 °C 97 mm 11 293 h 22 °C
12 Palma Spain 22 °C 23 °C 17 °C 54 mm 8 299 h 22 °C
13 Alicante Spain 22 °C 23 °C 16 °C 45 mm 7 299 h 22 °C
14 Elche Spain 22 °C 24 °C 15 °C 35 mm 5 298 h 22 °C
15 Valencia Spain 22 °C 23 °C 15 °C 53 mm 6 289 h 22 °C
16 Castelló de la Plana Spain 22 °C 22 °C 15 °C 50 mm 6 290 h 22 °C
17 Taranto Italy 22 °C 22 °C 15 °C 71 mm 7 290 h 22 °C
18 Naples Italy 22 °C 21 °C 14 °C 134 mm 11 275 h 22 °C
19 Cartagena Spain 22 °C 23 °C 18 °C 33 mm 4 301 h 22 °C
20 Durrës Albania 21 °C 21 °C 16 °C 141 mm 10 286 h 21 °C
21 Thessaloníki Greece 21 °C 21 °C 13 °C 59 mm 7 255 h 21 °C
22 Badalona Spain 21 °C 21 °C 14 °C 92 mm 10 278 h 21 °C
23 Barcelona Spain 21 °C 20 °C 14 °C 92 mm 10 278 h 21 °C
24 Sabadell Spain 21 °C 20 °C 13 °C 96 mm 10 275 h 21 °C
25 Almería Spain 21 °C 24 °C 16 °C 23 mm 4 309 h 21 °C
26 Jerez de la Frontera Spain 20 °C 24 °C 15 °C 76 mm 7 300 h 20 °C
27 Livorno Italy 20 °C 20 °C 14 °C 126 mm 11 263 h 20 °C
28 Bari Italy 20 °C 21 °C 15 °C 64 mm 8 284 h 20 °C
29 Sochi Russia 20 °C 19 °C 13 °C 138 mm 10 266 h 20 °C
30 Genoa Italy 20 °C 19 °C 13 °C 183 mm 12 224 h 20 °C
31 Nice France 20 °C 20 °C 14 °C 111 mm 9 272 h 20 °C
32 Monaco Monaco 20 °C 19 °C 14 °C 110 mm 9 272 h 20 °C
33 Málaga Spain 20 °C 22 °C 16 °C 57 mm 6 297 h 20 °C
34 Toulon France 20 °C 20 °C 14 °C 100 mm 9 270 h 20 °C
35 Novorossiysk Russia 20 °C 18 °C 11 °C 52 mm 8 264 h 20 °C
36 San Marino San Marino 19 °C 16 °C 8.1 °C 88 mm 10 254 h 19 °C
37 Marbella Spain 19 °C 22 °C 16 °C 81 mm 7 297 h 19 °C
38 Trieste Italy 19 °C 17 °C 11 °C 183 mm 13 239 h 19 °C
39 Gibraltar Gibraltar 19 °C 22 °C 17 °C 87 mm 8 299 h 19 °C
40 Marseille France 19 °C 20 °C 14 °C 83 mm 8 278 h 19 °C
41 Montpellier France 18 °C 19 °C 12 °C 138 mm 11 266 h 18 °C
42 Lisbon Portugal 18 °C 21 °C 16 °C 78 mm 9 287 h 18 °C
43 Donostia / San Sebastián Spain 18 °C 19 °C 13 °C 134 mm 14 244 h 18 °C
44 Varna Bulgaria 18 °C 17 °C 11 °C 52 mm 7 233 h 18 °C
45 Santander Spain 18 °C 19 °C 12 °C 113 mm 13 257 h 18 °C
46 Bilbao Spain 18 °C 19 °C 13 °C 98 mm 14 246 h 18 °C
47 Sevastopol Ukraine 18 °C 17 °C 11 °C 41 mm 7 269 h 18 °C
48 Makhachkala Russia 18 °C 17 °C 12 °C 49 mm 8 239 h 18 °C
49 Constanţa Romania 18 °C 17 °C 11 °C 44 mm 6 239 h 18 °C
50 Gijón Spain 18 °C 19 °C 12 °C 120 mm 14 256 h 18 °C

Monthly values for the month named in the ranking; only destinations with a published climate page are ranked. Download this ranking as CSV.

The same ranking one month earlier and later

September: top 5

  1. Nicosia 27 °C
  2. Limassol 26 °C
  3. Valletta 26 °C
  4. Palermo 25 °C
  5. Athens 25 °C

Full ranking for September

November: top 5

  1. Limassol 22 °C
  2. La Laguna 22 °C
  3. Las Palmas de Gran Canaria 22 °C
  4. Nicosia 22 °C
  5. Valletta 21 °C

Full ranking for November

How this ranking is built

What is ranked
The average sea surface temperature at the coast, in °C, in October, 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. 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.