Swimming in Swansea in may 2025: Average sea temperature in may and tide times in may 2025

Average sea temperature in Swansea in may 2025.

In may, according to seasonal norms, the sea temperature in Swansea is:

Minimum: 51°F

Average: 53°F

Maximum: 55°F

Other useful seasonal weather averages in may:

  • Outside temperature: 50°F to 58°F
  • Most common weather: "Clear/Sunny"
  • The wind blows at 5mph
  • It rains a total of 3.5in, over 6 day(s).

Should we swim in Swansea in may?

No... The water temperature in Swansea in may is freezing

You won't be able to swim in Swansea in may! The water temperature is freezing, reaching as low as 51°F (and only 55°F at best)! Our advice: if you are going to Swansea this month, plan to sightsee and forget the beach!

Note also that in may, the climate is tolerable with an average outside temperature of 54°F, 3.5in of precipitation (over 6 days) and 86.42 % humidity.

Water and normal seasonal temperatures in Swansea in may

May
Average sea temperature 53°F
Minimum sea temperature 51°F
Maximum sea temperature 55°F
Average outside temperature 54°F
Maximum outside temperature 58°F
Minimum outside temperature 52°F
Wind speed 14.3mph
Wind temperature 47°F
Precipitation 3.5in
Number of days of rain 6 jour(s)
(20%)
Humidity 87%
Visibility in kilometers 9.27km
Cloud cover 46%
Our opinion freezing swimming

Chart of the tides in may 2025

Tide times in may 2025 in Swansea

Swim elsewhere in Wales in may

City Average T° Max. T° Our opinion
Cardiff in may53°F55°Ffreezing swimming
Pembrokeshire in may52°F55°Ffreezing swimming
Barmouth in may52°F54°Ffreezing swimming
Llandudno in may52°F54°Ffreezing swimming

Swim in Wales in may: sea temperature by city

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