World sea water temperatures

Wales water temperature in May

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Can you swim in Wales in spring? In May sea water temperature throughout Wales 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 Wales in May was 13°C (in Chepstow), and the coldest water 10.5°C (in Amlwch). To find out the sea temperature today and in the coming days, go to Current sea temperature in Wales

Wales sea surface temp in May

Wales 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.


 
2025
2024
2023
2022
2021
13.2°C
12.4°C
13°C
12.5°C
11.2°C
12.6°C
12.2°C
12°C
11.9°C
10.8°C
13.3°C
12.7°C
12.8°C
12.7°C
11.6°C
11.8°C
11.6°C
11.4°C
11.4°C
10.4°C
12.4°C
11.9°C
12.4°C
12°C
10.8°C
14.1°C
13.1°C
13.3°C
13.1°C
11.6°C
13.5°C
12.7°C
13.1°C
12.7°C
11.5°C
11.6°C
11.2°C
11.1°C
11.1°C
10.1°C
13.8°C
12.9°C
13°C
13.1°C
11.4°C
12.9°C
12.1°C
12.3°C
12.1°C
10.8°C

Wales water temperature by month

To find out what the water temperature was in Wales 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 Wales in May?

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

AvrMinMax
Redwick13°C10°C16.8°C
Chepstow13°C9.9°C17°C
Rogerstone13°C9.8°C16.5°C
Goldcliff13°C9.9°C16.7°C
Penarth12.8°C9.5°C16.1°C

Wales photo gallery

  • Nefyn beach hut
  • Nefyn Beach on a wet day in August
  • Early morning swimming in caswell bay
  • Wales

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.

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Our report for United Kingdom 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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