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Coldest sea in Portugal in October

187 coastal locations in Portugal ranked by typical October sea temperature, coldest first. Region-wide average in October: 19.4°C.

Coldest in October

Altura

16.5°C October mean in Portugal

Regional October average

19.4°C

across all 187 coastal locations in Portugal

Vs annual mean

+1.6°C

above the year-round regional average

What the Portugal sea feels like in October

At this temperature, water will feel cold compared to a swimming pool, but with a bit of experience and practice most people will find the water relatively comfortable to swim in.

Portugal monthly average 15.4°C to 20.0°C
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  • Warmest month August 20.0°C
  • Coldest month March 15.4°C
  • Annual mean 17.7°C
  • Months above 20°C 0 of 12

Where October fits in the year

October sits inside the regional pattern shown on the left. Pick a different month to see how the ranking shifts.

All twelve Portugal month rankings:

Portugal sea temperature map (live)

The map shows today's latest reading at every Portugal location. The list below is based on the typical October mean.

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 coldest Portugal locations in October

Sorted by typical October mean from a decade of daily readings, coldest first. Click any place for the full location page.

# Location October mean
1 Altura Continental Portugal 16.5°C
2 Caminha Continental Portugal 16.5°C
3 Esmoriz Continental Portugal 16.5°C
4 Torreira Continental Portugal 16.5°C
5 Vila do Conde Continental Portugal 16.5°C
6 Afife Continental Portugal 16.6°C
7 Moledo Continental Portugal 16.6°C
8 Vila Praia de Ancora Continental Portugal 16.6°C
9 Esposende Continental Portugal 16.7°C
10 Ofir Continental Portugal 16.7°C
11 Viana do Castelo Continental Portugal 16.7°C
12 Aver-o-Mar Continental Portugal 16.8°C
13 Povoa de Varzim Continental Portugal 16.8°C
14 Oporto (Porto) Porto 16.9°C
15 Canidelo 16.9°C
16 Espinho Continental Portugal 16.9°C
17 Leca da Palmeira Continental Portugal 16.9°C
18 Leixoes Continental Portugal 16.9°C
19 Matosinhos Continental Portugal 16.9°C
20 Porto Continental Portugal 16.9°C
21 Vila Nova de Gaia Continental Portugal 16.9°C
22 Costa Nova Continental Portugal 17.2°C
23 Aveiro Continental Portugal 17.3°C
24 Praia de Mira Continental Portugal 17.3°C
25 Buarcos Continental Portugal 17.3°C
Show 25 more ▸
26 Figueira da Foz Continental Portugal 17.3°C
27 Furadouro Continental Portugal 17.3°C
28 Pedrogao Continental Portugal 17.3°C
29 Praia da Vieira Continental Portugal 17.3°C
30 Vieira de Leiria Continental Portugal 17.3°C
31 Alhandra Continental Portugal 17.4°C
32 Amadora Continental Portugal 17.4°C
33 Azenhas do Mar Continental Portugal 17.4°C
34 Cabo da Roca Continental Portugal 17.4°C
35 Ericeira Continental Portugal 17.4°C
36 Moscavide Continental Portugal 17.4°C
37 Povoa de Santa Iria Continental Portugal 17.4°C
38 Praia da Adraga Continental Portugal 17.4°C
39 Sao Joao da Talha Continental Portugal 17.4°C
40 Sintra Continental Portugal 17.4°C
41 Porto de Aveiro Aveiro 17.5°C
42 Caldas da Rainha Continental Portugal 17.7°C
43 Foz do Arelho Continental Portugal 17.7°C
44 Leiria Continental Portugal 17.7°C
45 Obidos Continental Portugal 17.7°C
46 Nazare Continental Portugal 17.8°C
47 Salir do Porto Continental Portugal 17.8°C
48 Sao Martinho do Porto Continental Portugal 17.8°C
49 Alcochete Continental Portugal 18.0°C
50 Alentejo Continental Portugal 18.0°C

Warmest 10 in Portugal in October

Same data the other way. The warmest spots for the same month.

# Location October mean
1 Fora (Iheus Selvagens) Madeira 23.6°C
2 Porto do Moniz Madeira 23.4°C
3 Porto da Cruz Madeira 23.4°C
4 Campanario Madeira 23.3°C
5 Ponta do Sol Madeira 23.3°C
6 Canico Madeira 23.3°C
7 Faja da Ovelha Continental Portugal 23.3°C
8 Funchal Madeira 23.3°C
9 Machico Madeira 23.3°C
10 Porto Moniz Madeira 23.3°C

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