Swim in Derry (Londonderry) in february 2025What is the temperature of the sea in in february?

Average sea temperature in Derry (Londonderry) in february 2025.

In february, according to seasonal norms, the sea temperature in Derry (Londonderry) is:

Minimum: 47°F

Average: 48°F

Maximum: 50°F

Other useful seasonal weather averages in february:

  • Outside temperature: 38°F to 46°F
  • Most common weather: "Cloudy"
  • The wind blows at -0.6mph
  • It rains a total of 2.2in, over 3 day(s).

Should we swim in Derry (Londonderry) in february?

No... The water temperature in Derry (Londonderry) in february is freezing

You won't be able to swim in Derry (Londonderry) in february! The water temperature is freezing, reaching as low as 47°F (and only 50°F at best)! Our advice: if you are going to Derry (Londonderry) this month, plan to sightsee and forget the beach!

Note also that in february, the climate is very bad with an average outside temperature of 42°F, 2.2in of precipitation (over 3 days) and 90.94 % humidity.

Water and normal seasonal temperatures in Derry (Londonderry) in february

February
Average sea temperature 48°F
Minimum sea temperature 47°F
Maximum sea temperature 50°F
Average outside temperature 43°F
Maximum outside temperature 47°F
Minimum outside temperature 38°F
Wind speed 15.5mph
Wind temperature 31°F
Precipitation 2.2in
Number of days of rain 3 jour(s)
(10%)
Humidity 91%
Visibility in kilometers 8.46km
Cloud cover 66%
Our opinion freezing swimming

Swim elsewhere in Northern Ireland in february

City Average T° Max. T° Our opinion
Belfast in february47°F49°Ffreezing swimming
Portrush in february48°F49°Ffreezing swimming
Portstewart in february47°F49°Ffreezing swimming

Swim in Northern Ireland in february: sea temperature by city

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