Skip to content
seatemperatures.net

Warmest sea in Portugal

187 coastal locations in Portugal ranked by their year-round average sea temperature. The regional average is 17.7°C. The top of the list shows where to find the warmest water in a typical year. The bottom shows the coldest year-round coasts of the region.

Warmest location

Fora (Iheus Selvagens)

21.6°C annual mean in Portugal

Regional average

17.7°C

across all 187 Portugal coastal locations

Warmest month

August

20.0°C region-wide average

Portugal monthly average 15.4°C to 20.0°C
J
F
M
A
M
J
J
A
S
O
N
D
  • Warmest month August 20.0°C
  • Coldest month March 15.4°C
  • Annual mean 17.7°C
  • Months above 20°C 0 of 12

Month by month across Portugal

Sea temperatures in Portugal swing from 15.4°C in March to 20.0°C in August on average across every coast we track. That spread of 5°C hides much bigger swings at individual locations.

Want a specific month? Pick one for a dedicated ranking:

Portugal sea temperature map

Today's pin colours show the latest daily reading at every Portugal location we track. Pick any pin for the location's full page.

Zoom in to see individual locations. Click a pin for water temperatures. View list →
°C -2 0 1 3 5 7 9 11 13 15 17 19 21 24 27 30 35

Top 50 warmest locations in Portugal

The warmest coastal locations across all of Portugal, sorted by year-round average. Click any place for its 30-day chart, monthly profile, and 10-year history.

# Location Annual mean
1 Fora (Iheus Selvagens) Madeira 21.6°C
2 Porto do Moniz Madeira 21.2°C
3 Porto da Cruz Madeira 21.2°C
4 Campanario Madeira 21.0°C
5 Ponta do Sol Madeira 21.0°C
6 Canico Madeira 21.0°C
7 Funchal Madeira 21.0°C
8 Machico Madeira 21.0°C
9 Vila De Porto Santo Madeira 21.0°C
10 Faja da Ovelha Continental Portugal 20.9°C
11 Porto Moniz Madeira 20.9°C
12 Sao Vicente Madeira 20.9°C
13 Canical Madeira 20.9°C
14 Porto Santo Madeira 20.7°C
15 Vila Baleira Madeira 20.7°C
16 Vila do Porto Açores 20.3°C
17 Santa Maria Island Azores 20.0°C
18 Vila Franca do Campo Azores 19.6°C
19 Ponta Delgada Azores 19.5°C
20 Rosto de Cao Azores 19.5°C
21 Sao Miguel Island Azores 19.4°C
22 Faja de Baixo Azores 19.4°C
23 Rabo de Peixe Azores 19.4°C
24 Lajes (Flores) Açores 19.4°C
25 Santa Cruz (Flores) Açores 19.4°C
Show 25 more ▸
26 Horta,Azores Açores 19.4°C
27 Flores Island Azores 19.3°C
28 Pico Island Azores 19.3°C
29 Ilha do Farol Continental Portugal 19.3°C
30 Santa Cruz Açores 19.3°C
31 Faial Island Azores 19.2°C
32 Horta Azores 19.2°C
33 Madalena Azores 19.2°C
34 Sao Roque do Pico Azores 19.2°C
35 Corvo Island Azores 19.2°C
36 Sao Jorge Island Azores 19.2°C
37 Graciosa Island Azores 19.1°C
38 Angra do Heroismo Azores 19.1°C
39 Praia da Vitoria Azores 19.1°C
40 Terceira Island Azores 19.1°C
41 Castro Marim Continental Portugal 19.1°C
42 Monte Gordo Continental Portugal 19.1°C
43 Praia Verde Continental Portugal 19.1°C
44 Vila Real de Santo Antonio Continental Portugal 19.1°C
45 Cabanas de Tavira Continental Portugal 19.0°C
46 Cacela Velha Continental Portugal 19.0°C
47 Fuseta Continental Portugal 19.0°C
48 Manta Rota Continental Portugal 19.0°C
49 Praia do Barril Continental Portugal 19.0°C
50 Tavira Continental Portugal 19.0°C

Coldest 10 in Portugal for contrast

Same data, sorted the other way. Useful if you want to know which Portugal coasts stay coldest year-round.

# Location Annual mean
1 Altura Continental Portugal 15.5°C
2 Caminha Continental Portugal 15.5°C
3 Esmoriz Continental Portugal 15.5°C
4 Torreira Continental Portugal 15.5°C
5 Vila do Conde Continental Portugal 15.5°C
6 Afife Continental Portugal 15.5°C
7 Moledo Continental Portugal 15.5°C
8 Vila Praia de Ancora Continental Portugal 15.5°C
9 Esposende Continental Portugal 15.6°C
10 Ofir Continental Portugal 15.6°C

More on this region