SwimTemperature logoSwimTemperature
Open live map
Seasonal ranking

Warmest sea temperature in Portugal in May

Where the sea is warmest across Portugal during May, ranked by long-term monthly average water temperature. Praia da Falésia (Algarve, Portugal) tops the list at around 17°C. Open any spot for today's live water temperature and a 7-day swim forecast.

  1. 1
    Praia da Falésia
    Algarve · Portugal · Atlantic Ocean
    Cool — shorty wetsuit recommended
    17°C
    May average
  2. 2
    Praia da Rocha
    Algarve · Portugal · Atlantic Ocean
    Cool — shorty wetsuit recommended
    17°C
    May average
  3. 3
    Praia de Benagil
    Algarve · Portugal · Atlantic Ocean
    Cool — shorty wetsuit recommended
    17°C
    May average
  4. 4
    Praia da Luz
    Algarve · Portugal · Atlantic Ocean
    Cool — shorty wetsuit recommended
    17°C
    May average
  5. 5
    Praia de Tavira
    Algarve · Portugal · Atlantic Ocean
    Cool — shorty wetsuit recommended
    17°C
    May average
  6. 6
    Praia de Quarteira
    Algarve · Portugal · Atlantic Ocean
    Cool — shorty wetsuit recommended
    17°C
    May average
  7. 7
    Praia de Alvor
    Algarve · Portugal · Atlantic Ocean
    Cool — shorty wetsuit recommended
    17°C
    May average
  8. 8
    Praia de Odeceixe
    Algarve · Portugal · Atlantic Ocean
    Cool — shorty wetsuit recommended
    17°C
    May average
  9. 9
    Praia do Tamariz
    Lisbon Coast · Portugal · Atlantic Ocean
    Cool — shorty wetsuit recommended
    17°C
    May average
  10. 10
    Praia de Carcavelos
    Lisbon Coast · Portugal · Atlantic Ocean
    Cool — shorty wetsuit recommended
    17°C
    May average
  11. 11
    Praia Grande
    Lisbon Coast · Portugal · Atlantic Ocean
    Cool — shorty wetsuit recommended
    17°C
    May average
  12. 12
    Praia de Comporta
    Alentejo Coast · Portugal · Atlantic Ocean
    Cool — shorty wetsuit recommended
    17°C
    May average
  13. 13
    Praia da Galé
    Alentejo Coast · Portugal · Atlantic Ocean
    Cool — shorty wetsuit recommended
    17°C
    May average
  14. 14
    Praia de Odeceixe-Mar
    Alentejo Coast · Portugal · Atlantic Ocean
    Cool — shorty wetsuit recommended
    17°C
    May average
  15. 15
    Praia da Zambujeira
    Alentejo Coast · Portugal · Atlantic Ocean
    Cool — shorty wetsuit recommended
    17°C
    May average
  16. 16
    Praia de Nazaré
    Silver Coast · Portugal · Atlantic Ocean
    Cool — shorty wetsuit recommended
    17°C
    May average
  17. 17
    Praia de Peniche
    Silver Coast · Portugal · Atlantic Ocean
    Cool — shorty wetsuit recommended
    17°C
    May average
  18. 18
    Praia de São Pedro de Moel
    Silver Coast · Portugal · Atlantic Ocean
    Cool — shorty wetsuit recommended
    17°C
    May average
  19. 19
    Praia Formosa
    Madeira · Portugal · Atlantic Ocean
    Cool — shorty wetsuit recommended
    17°C
    May average
  20. 20
    Porto Santo Beach
    Madeira · Portugal · Atlantic Ocean
    Cool — shorty wetsuit recommended
    17°C
    May average
  21. 21
    Praia do Porto Moniz
    Madeira · Portugal · Atlantic Ocean
    Cool — shorty wetsuit recommended
    17°C
    May average
  22. 22
    Praia de Santa Bárbara
    Azores · Portugal · Atlantic Ocean
    Cool — shorty wetsuit recommended
    17°C
    May average
  23. 23
    Praia do Porto Pim
    Azores · Portugal · Atlantic Ocean
    Cool — shorty wetsuit recommended
    17°C
    May average
  24. 24
    Praia da Calheta
    Madeira · Portugal · Atlantic Ocean
    Cool — shorty wetsuit recommended
    17°C
    May average
  25. 25
    Prainha do Caniçal
    Madeira · Portugal · Atlantic Ocean
    Cool — shorty wetsuit recommended
    17°C
    May average

Warmest sea in May elsewhere

EuropeNorth AmericaSouth AmericaAsiaAfricaOceaniaUnited StatesUnited KingdomAustraliaSpainItalyFranceGreeceMexicoNew ZealandCanadaCroatiaIrelandThailandIndonesiaBrazilPhilippinesPolandSwedenDenmarkTurkeyJapanGermanyNorway

Portugal in May — frequently asked questions

Where is the sea warmest in Portugal in May?
Praia da Falésia in Portugal has the warmest sea in Portugal in May, averaging about 17.0 °C. Praia da Rocha (17.0 °C) and Praia de Benagil follow close behind.
How many beaches in Portugal are warm enough to swim in May?
None of the top 25 ranked beaches in Portugal reach 22 °C in May, so a wetsuit is recommended for anything longer than a quick dip.
How are these May sea temperatures calculated?
Each figure is a long-term monthly average sea surface temperature for that location, so it reflects a typical May rather than today's reading. Open a beach page for the live water temperature and 7-day forecast.

Explore every sea temperature page

Jump straight to a country, coastal region, city, seasonal ranking or comparison.

Sea temperature by country

United StatesUnited KingdomAustraliaSpainItalyFranceGreeceMexicoPortugalNew ZealandCanadaCroatiaIrelandThailandIndonesiaBrazilPhilippinesPolandSwedenDenmarkTurkeyJapanGermanyNorwayNetherlandsCyprusBulgariaIndiaSouth AfricaEgyptDominican RepublicSri LankaAll destinations →

Coastal region hubs

New South WalesSardiniaAlgarveAquitaineCornwallSicilyWestern AustraliaTuscanyVictoriaBaliNorth IslandLanguedocLiguriaBrittanyIstriaSilver CoastPacific CoastApuliaBritish ColumbiaCosta del SolDevonNova ScotiaGaliciaMallorca

Water temperature today by city

LondonManchesterBirminghamEdinburghGlasgowDublinParisLyonToulouseBordeauxMadridBarcelonaSevilleLisbonPortoRomeMilanFlorenceNaplesBerlin

Warmest sea in August

EuropeNorth AmericaSouth AmericaAsiaAfricaOceaniaUnited StatesUnited KingdomAustraliaSpainItalyFranceGreeceMexicoPortugalNew ZealandCanadaCroatiaIrelandThailandWarmest right now →

Warmest sea month by month (Europe)

JanuaryFebruaryMarchAprilMayJuneJulyAugustSeptemberOctoberNovemberDecember

Popular beach comparisons

Platja d'Aro vs Platja de Sant PolCala Sa Tuna vs AiguablavaCala Pola vs Platja GranCala Montjoi vs Platja de PalsPlatja de Pals vs Cala Sa TunaCala Estreta vs Platja d'AroPlatja de Lloret vs Platja GranPlatja de la Pineda vs Salou LevantePlatja Llarga vs Platja del MiracleCambrils Playa vs Salou LevantePlaya del Postiguet vs Playa de San JuanPlaya de San Juan vs Playa del Postiguet SurPlaya de Levante vs Playa de PonienteCala Finestrat vs Playa de PonientePlaya del Albir vs Playa de LevantePlaya de la Fossa vs Cala BaladrarCala el Portet vs Cala del MoraigPlaya del Arenal vs Cala GranadellaCompare any two beaches →

Freshwater swimming

All lake water temperatures (525)Live lake mapCompare lakesRivers & swimming holesLive sea temperature mapSwimming guides

Keep exploring

Live sea temperature mapEvery coast, updated hourlyWarmest beaches todayLive ranking right nowCompare two beachesSide-by-side swim conditionsLake water temperaturesFreshwater swimming spotsRivers & swimming holesWild swimming conditionsAll destinationsBrowse by country & region

Warmest sea this month

europenorth americaasiaoceania