Swimming in Portugal in may 2025 Sea temperature by city in may

Do you want to go to the beach in Portugal in may 2025? Is it the right month to go for pleasant temperatures and staying in the water for a long time? The answer is on this page with the sea temperatures in may in Portugal by city and our opinion on the chances of enjoying pleasant sea conditions.

Sea temperature in Portugal in may 2025

Here, find the average sea temperature in Portugal in may in several coastal cities.

Central Portugal in may

on average:

64°F

min: 60°F / max: 68°F

on average:

62°F

min: 58°F / max: 67°F

on average:

64°F

min: 60°F / max: 68°F

on average:

63°F

min: 59°F / max: 66°F

Colares

on average:

64°F

min: 60°F / max: 68°F

Costa Nova do Prado

on average:

62°F

min: 58°F / max: 67°F

Algarve in may

on average:

66°F

min: 61°F / max: 70°F

on average:

66°F

min: 62°F / max: 70°F

on average:

65°F

min: 61°F / max: 69°F

on average:

66°F

min: 61°F / max: 70°F

Aljezur

on average:

66°F

min: 61°F / max: 69°F

Altura

on average:

66°F

min: 62°F / max: 69°F

Northern Portugal in may

on average:

62°F

min: 58°F / max: 66°F

on average:

61°F

min: 58°F / max: 65°F

on average:

61°F

min: 58°F / max: 65°F

Arcozelo

on average:

62°F

min: 58°F / max: 67°F

Canidelo

on average:

62°F

min: 58°F / max: 66°F

Esposende

on average:

61°F

min: 58°F / max: 66°F

Alentejo in may

on average:

65°F

min: 61°F / max: 69°F

on average:

64°F

min: 60°F / max: 68°F

Montijo

on average:

64°F

min: 60°F / max: 68°F

Porto Covo

on average:

65°F

min: 60°F / max: 69°F

Sao Teotonio

on average:

65°F

min: 61°F / max: 69°F

Sesimbra

on average:

64°F

min: 60°F / max: 69°F

Where should you go swimming in Portugal in the month of may?

Swimming in Portugal in may is cool (in the best case scenario)

In may in Portugal swimming conditions vary by city. Details below:

Swimming in may in Angra do Heroismo (Terceira), Funchal, Lisbon, Albufeira, Faro (Algarve), Ilha do Porto Santo, Lagos, Ponta Delgada, Cascais, Portimao, Sines, Achadas da Cruz, Aljezur, Altura, Arco de São Jorge, Cabo Girão, Calheta, Caniçal, Carvoeiro, Colares, Costa da Caparica, Foz do Arelho, Furnas, Gaula, Guincho, Jardim do Mar, Madalena do Mar, Ponta de São Lourenço, Ponta Delgada, Ponta do Pargo, Porto da Cruz, Porto Moniz, Praia da Arrifana, Praia da Rocha, Praia de Machico, Praia Formosa, Ria Formosa, Santa Cruz (Madeira), Santana (Madeira), São Jorge, São Miguel, São Vicente, Seixal, Tavira Municipality, Vila Baleira, Arco da Calheta, Câmara de Lobos, Canico, Ericeira, Estoril, Lourinhã, Luz, Machico, Marinha Grande, Monte Gordo, Montijo, Nazaré, Olhao, Peniche, Ponta do Sol, Porto Covo, Quarteira, Ribeira Brava, Sagres, Sao Martinho do Porto, Sao Teotonio, Sesimbra, Setúbal, Vila do Bispo, Vila Nova de Milfontes and Vila Real de Santo António is possible but the sea is generally cool. So though the sea temperature may sometimes reach 66°F, it can also go as low as 61°F. Note that the average is 64°F.

Swimming in may in Aveiro, Porto, Viana do Castelo, Praia de Mira, Caminha, Costa Nova do Prado, Arcozelo, Canidelo, Esmoriz, Espinho, Esposende, Figueira da Foz Municipality, Gafanha da Nazare, Lavra, Leca da Palmeira, Ovar, Póvoa de Varzim, Vila do Conde and Vila Praia de Ancora is possible... with a wetsuit! Indeed, the water is cold at this time of year with an average temperature of 62°F (min: 58°F/max: 67°F).

Where to go swimming in Portugal in may: the map of sea temperatures

ideal swimming pleasant swimming cool swimming cold swimming freezing swimming

Water temperature and seasonal norms in may

Angra do Heroismo (Terceira)

May
Average sea temperature 64°F
Minimum sea temperature 61°F
Maximum sea temperature 66°F
Average outside temperature 63°F
Maximum outside temperature 65°F
Minimum outside temperature 61°F
Precipitation 3in
Number of days of precipitation 4 jour(s)
(12%)
Cloud cover 48%
Our opinion cool swimming

More information on swimming in Angra do Heroismo (Terceira) in may

Funchal

May
Average sea temperature 67°F
Minimum sea temperature 65°F
Maximum sea temperature 69°F
Average outside temperature 67°F
Maximum outside temperature 67°F
Minimum outside temperature 65°F
Precipitation 0.6in
Number of days of precipitation 0 jour(s)
(1%)
Cloud cover 29%
Our opinion cool swimming

More information on swimming in Funchal in may

Lisbon

May
Average sea temperature 64°F
Minimum sea temperature 60°F
Maximum sea temperature 68°F
Average outside temperature 67°F
Maximum outside temperature 72°F
Minimum outside temperature 59°F
Precipitation 2.6in
Number of days of precipitation 4 jour(s)
(12%)
Cloud cover 24%
Our opinion cool swimming

More information on swimming in Lisbon in may

Albufeira

May
Average sea temperature 66°F
Minimum sea temperature 61°F
Maximum sea temperature 70°F
Average outside temperature 67°F
Maximum outside temperature 72°F
Minimum outside temperature 61°F
Precipitation 0.9in
Number of days of precipitation 2 jour(s)
(6%)
Cloud cover 18%
Our opinion cool swimming

More information on swimming in Albufeira in may

Aveiro

May
Average sea temperature 62°F
Minimum sea temperature 58°F
Maximum sea temperature 67°F
Average outside temperature 65°F
Maximum outside temperature 70°F
Minimum outside temperature 58°F
Precipitation 3.7in
Number of days of precipitation 5 jour(s)
(17%)
Cloud cover 27%
Our opinion cold swimming

More information on swimming in Aveiro in may

List of coastal cities in Portugal

Angra do Heroismo (Terceira) in maycool swimming
Funchal in maycool swimming
Lisbon in maycool swimming
Albufeira in maycool swimming
Aveiro in maycold swimming
Faro (Algarve) in maycool swimming
Ilha do Porto Santo in maycool swimming
Lagos in maycool swimming
Ponta Delgada in maycool swimming
Porto in maycold swimming
Santa Maria (Azores) in mayfreezing swimming
Viana do Castelo in maycold swimming
Cascais in maycool swimming
Portimao in maycool swimming
Praia de Mira in maycold swimming
Sines in maycool swimming
Achadas da Cruz in maycool swimming
Aljezur in maycool swimming
Altura in maycool swimming
Arco de São Jorge in maycool swimming
Cabo Girão in maycool swimming
Calheta in maycool swimming
Caminha in maycold swimming
Caniçal in maycool swimming
Carvoeiro in maycool swimming
Colares in maycool swimming
Costa da Caparica in maycool swimming
Costa Nova do Prado in maycold swimming
Foz do Arelho in maycool swimming
Furnas in maycool swimming
Gaula in maycool swimming
Guincho in maycool swimming
Jardim do Mar in maycool swimming
Madalena do Mar in maycool swimming
Ponta de São Lourenço in maycool swimming
Ponta Delgada in maycool swimming
Ponta do Pargo in maycool swimming
Porto da Cruz in maycool swimming
Porto Moniz in maycool swimming
Praia da Arrifana in maycool swimming
Praia da Rocha in maycool swimming
Praia de Machico in maycool swimming
Praia Formosa in maycool swimming
Ria Formosa in maycool swimming
Santa Cruz (Madeira) in maycool swimming
Santana (Madeira) in maycool swimming
São Jorge in maycool swimming
São Miguel in maycool swimming
São Vicente in maycool swimming
Seixal in maycool swimming
Tavira Municipality in maycool swimming
Vila Baleira in maycool swimming
Arco da Calheta in maycool swimming
Arcozelo in maycold swimming
Câmara de Lobos in maycool swimming
Canico in maycool swimming
Canidelo in maycold swimming
Ericeira in maycool swimming
Esmoriz in maycold swimming
Espinho in maycold swimming
Esposende in maycold swimming
Estoril in maycool swimming
Figueira da Foz Municipality in maycold swimming
Gafanha da Nazare in maycold swimming
Lavra in maycold swimming
Leca da Palmeira in maycold swimming
Lourinhã in maycool swimming
Luz in maycool swimming
Machico in maycool swimming
Marinha Grande in maycool swimming
Monte Gordo in maycool swimming
Montijo in maycool swimming
Nazaré in maycool swimming
Olhao in maycool swimming
Ovar in maycold swimming
Peniche in maycool swimming
Ponta do Sol in maycool swimming
Porto Covo in maycool swimming
Póvoa de Varzim in maycold swimming
Quarteira in maycool swimming
Ribeira Brava in maycool swimming
Sagres in maycool swimming
Sao Martinho do Porto in maycool swimming
Sao Teotonio in maycool swimming
Sesimbra in maycool swimming
Setúbal in maycool swimming
Vila do Bispo in maycool swimming
Vila do Conde in maycold swimming
Vila Nova de Milfontes in maycool swimming
Vila Praia de Ancora in maycold swimming
Vila Real de Santo António in maycool swimming
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