Swim in Belfast in may 2024What is the temperature of the sea in in may?

Average sea temperature in Belfast in may 2024.

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

Minimum: 49°F

Average: 51°F

Maximum: 52°F

Other useful seasonal weather averages in may:

  • Outside temperature: 48°F to 57°F
  • Most common weather: "Moderate rain at times"
  • The wind blows at 4.4mph
  • It rains a total of 3.8in, over 7 day(s).

Should we swim in Belfast in may?

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

You won't be able to swim in Belfast in may! The water temperature is freezing, reaching as low as 49°F (and only 52°F at best)! Our advice: if you are going to Belfast this month, plan to sightsee and forget the beach!

Note also that in may, the climate is tolerable with an average outside temperature of 52°F, 3.7in of precipitation (over 7 days) and 89.86 % humidity.

Water and normal seasonal temperatures in Belfast in may

May
Average sea temperature 51°F
Minimum sea temperature 49°F
Maximum sea temperature 52°F
Average outside temperature 54°F
Maximum outside temperature 58°F
Minimum outside temperature 49°F
Wind speed 13.1mph
Wind temperature 45°F
Precipitation 3.8in
Number of days of rain 7 jour(s)
(21%)
Humidity 90%
Visibility in kilometers 8.71km
Cloud cover 56%
Our opinion freezing swimming

Swim elsewhere in Northern Ireland in may

City Average T° Max. T° Our opinion
Derry (Londonderry) in may52°F53°Ffreezing swimming
Portrush in may51°F53°Ffreezing swimming
Portstewart in may51°F52°Ffreezing swimming

Swim in Northern Ireland in may: sea temperature by city

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