World sea water temperatures

Continental Portugal water temperature in May

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Can you swim in Continental Portugal in spring? In May sea water temperature throughout Continental Portugal is not yet warm enough for swimming and does not exceed 20°C. Based on average water temperature observations over the past ten years, the warmest sea in Continental Portugal in May was 19.7°C (in Faja da Ovelha), and the coldest water 15.1°C (in Viana do Castelo). To find out the sea temperature today and in the coming days, go to Current sea temperature in Continental Portugal

Continental Portugal sea surface temp in May

Continental Portugal cities and resorts with the values of the average water temperature in May in recent years.
For more detailed information about water temperature, surf forecast, weather and time of sunrise and sunset in any specific area of your interest, just click on a city name. For ease of search, all places are also grouped by the first letter of the name.

Continental Portugal list of regions


 
2025
2024
2023
2022
2021
15.5°C
14.6°C
14.9°C
15.1°C
14.9°C
16.4°C
15.1°C
15.5°C
15.6°C
15.2°C
18.3°C
17.6°C
18.3°C
18.7°C
18.1°C
17.7°C
16.4°C
17.9°C
18°C
17°C
18.7°C
18.5°C
19.3°C
19.2°C
18.4°C
17.9°C
17.4°C
18°C
18.1°C
17.6°C
16.9°C
16°C
16.5°C
17°C
16.5°C
17.1°C
16.3°C
16.5°C
16.8°C
16.4°C
17.7°C
16.4°C
17.9°C
18°C
17°C
17.3°C
16.7°C
17.1°C
17.5°C
17°C
17.9°C
18°C
18.9°C
19.1°C
18.2°C
17°C
15.7°C
16.5°C
16.5°C
15.9°C
17.9°C
17.4°C
18°C
18.2°C
17.6°C
18°C
16.7°C
18.1°C
18.3°C
17.4°C
16.8°C
15.9°C
16.4°C
16.5°C
16.1°C
18°C
16.4°C
18.3°C
18.7°C
16.9°C
17.1°C
15.8°C
17.4°C
17.6°C
16.5°C
17.2°C
15.4°C
16.5°C
16.5°C
15.6°C
17.3°C
16.7°C
17.1°C
17.5°C
17°C
17.9°C
17.4°C
18°C
18.1°C
17.6°C
17.5°C
16.1°C
17.8°C
17.8°C
16.8°C
17.9°C
17.4°C
18°C
18.1°C
17.6°C
17.4°C
15.6°C
16.5°C
16.4°C
15.8°C
16.6°C
15.6°C
16°C
16°C
15.7°C
15.9°C
14.7°C
15.2°C
15.3°C
14.9°C
16.3°C
15.5°C
15.8°C
15.5°C
15.6°C

Continental Portugal water temperature by month

To find out what the water temperature was in Continental Portugal any day over a period of the last ten years, select the month

Where is the warm sea water in May?

Want to know where the water temperature in May is good for swimming? Select the continent of interest, the day of the month and the required water temperature

Region
Date (day and month)
Water temperature: min 16°C
 Average temperature  Maximum temperature

Where can you swim in Continental Portugal in May?

Places with the warmest average sea water temperature in Continental Portugal in May. Also indicated are the maximum and minimum temperatures in May for these locations based on observations over the past 10 years

AvrMinMax
Faja da Ovelha19.7°C18.2°C21.8°C
Ilha do Farol18°C15.7°C21.6°C
Olhao18°C15.7°C21.6°C
Barreta Island18°C15.9°C21.2°C
Castro Marim17.9°C15°C22.4°C

Continental Portugal photo gallery

  • Continental Portugal
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If you have interesting photos of this place, you can upload them here. Photos will be available to all users after verification by the moderator.

Water temperature in Florida in May

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Our report for Portugal is compiled using satellite data together with in-situ observations to get the most reliable daily data of sea surface temperatures, surf forecasts, current temperatures and weather forecasts.

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