Swimming in Derry (Londonderry) in january 2025: Average sea temperature in january and tide times in january 2025

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

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

Minimum: 48°F

Average: 50°F

Maximum: 52°F

Other useful seasonal weather averages in january:

  • Outside temperature: 38°F to 44°F
  • Most common weather: "Cloudy"
  • The wind blows at -0.6mph
  • It rains a total of 2.4in, over 3 day(s).

Should we swim in Derry (Londonderry) in january?

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

You won't be able to swim in Derry (Londonderry) in january! The water temperature is freezing, reaching as low as 48°F (and only 52°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 january, the climate is very bad with an average outside temperature of 41°F, 2.4in of precipitation (over 3 days) and 91.71 % humidity.

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

January
Average sea temperature 50°F
Minimum sea temperature 48°F
Maximum sea temperature 52°F
Average outside temperature 41°F
Maximum outside temperature 45°F
Minimum outside temperature 38°F
Wind speed 15.5mph
Wind temperature 31°F
Precipitation 2.4in
Number of days of rain 3 jour(s)
(10%)
Humidity 92%
Visibility in kilometers 8.35km
Cloud cover 68%
Our opinion freezing swimming

Chart of the tides in january 2025

Tide times in january 2025 in Derry (Londonderry)

Swim elsewhere in Northern Ireland in january

City Average T° Max. T° Our opinion
Belfast in january48°F51°Ffreezing swimming
Portrush in january49°F51°Ffreezing swimming
Portstewart in january49°F51°Ffreezing swimming

Swim in Northern Ireland in january: sea temperature by city

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