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Coldest sea in Portugal in March

187 coastal locations in Portugal ranked by typical March sea temperature, coldest first. Region-wide average in March: 15.4°C.

Coldest in March

Afife

13.7°C March mean in Portugal

Regional March average

15.4°C

across all 187 coastal locations in Portugal

Vs annual mean

-2.3°C

below the year-round regional average

What the Portugal sea feels like in March

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 March fits in the year

March 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 March 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 March

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

# Location March mean
1 Afife Continental Portugal 13.7°C
2 Moledo Continental Portugal 13.7°C
3 Vila Praia de Ancora Continental Portugal 13.7°C
4 Esposende Continental Portugal 13.8°C
5 Ofir Continental Portugal 13.8°C
6 Viana do Castelo Continental Portugal 13.8°C
7 Aver-o-Mar Continental Portugal 13.9°C
8 Povoa de Varzim Continental Portugal 13.9°C
9 Altura Continental Portugal 13.9°C
10 Caminha Continental Portugal 13.9°C
11 Esmoriz Continental Portugal 13.9°C
12 Torreira Continental Portugal 13.9°C
13 Vila do Conde Continental Portugal 13.9°C
14 Canidelo 14.0°C
15 Espinho Continental Portugal 14.0°C
16 Leca da Palmeira Continental Portugal 14.0°C
17 Leixoes Continental Portugal 14.0°C
18 Matosinhos Continental Portugal 14.0°C
19 Porto Continental Portugal 14.0°C
20 Vila Nova de Gaia Continental Portugal 14.0°C
21 Oporto (Porto) Porto 14.1°C
22 Costa Nova Continental Portugal 14.1°C
23 Aveiro Continental Portugal 14.2°C
24 Praia de Mira Continental Portugal 14.2°C
25 Buarcos Continental Portugal 14.3°C
Show 25 more ▸
26 Figueira da Foz Continental Portugal 14.3°C
27 Furadouro Continental Portugal 14.3°C
28 Pedrogao Continental Portugal 14.3°C
29 Praia da Vieira Continental Portugal 14.3°C
30 Vieira de Leiria Continental Portugal 14.3°C
31 Alhandra Continental Portugal 14.4°C
32 Amadora Continental Portugal 14.4°C
33 Azenhas do Mar Continental Portugal 14.4°C
34 Cabo da Roca Continental Portugal 14.4°C
35 Ericeira Continental Portugal 14.4°C
36 Moscavide Continental Portugal 14.4°C
37 Porto de Aveiro Aveiro 14.4°C
38 Povoa de Santa Iria Continental Portugal 14.4°C
39 Praia da Adraga Continental Portugal 14.4°C
40 Sao Joao da Talha Continental Portugal 14.4°C
41 Sintra Continental Portugal 14.4°C
42 Nazare Continental Portugal 14.4°C
43 Salir do Porto Continental Portugal 14.4°C
44 Sao Martinho do Porto Continental Portugal 14.4°C
45 Caldas da Rainha Continental Portugal 14.4°C
46 Foz do Arelho Continental Portugal 14.4°C
47 Leiria Continental Portugal 14.4°C
48 Obidos Continental Portugal 14.4°C
49 Baleal Island Continental Portugal 14.5°C
50 Peniche Continental Portugal 14.5°C

Warmest 10 in Portugal in March

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

# Location March mean
1 Fora (Iheus Selvagens) Madeira 19.4°C
2 Porto do Moniz Madeira 18.7°C
3 Porto da Cruz Madeira 18.6°C
4 Campanario Madeira 18.5°C
5 Ponta do Sol Madeira 18.5°C
6 Canico Madeira 18.5°C
7 Funchal Madeira 18.5°C
8 Machico Madeira 18.5°C
9 Canical Madeira 18.4°C
10 Vila De Porto Santo Madeira 18.4°C

More on this region