Swim in Dundalk in january 2025What is the temperature of the sea in in january?

Average sea temperature in Dundalk in january 2025.

In january, according to seasonal norms, the sea temperature in Dundalk is:

Minimum: 47°F

Average: 50°F

Maximum: 52°F

Other useful seasonal weather averages in january:

  • Outside temperature: 38°F to 45°F
  • Most common weather: "Cloudy"
  • The wind blows at -0mph
  • It rains a total of 1.9in, over 3 day(s).

Should we swim in Dundalk in january?

No... The water temperature in Dundalk in january is freezing

You won't be able to swim in Dundalk in january! The water temperature is freezing, reaching as low as 47°F (and only 52°F at best)! Our advice: if you are going to Dundalk 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, 1.9in of precipitation (over 3 days) and 92.29 % humidity.

Water and normal seasonal temperatures in Dundalk in january

January
Average sea temperature 50°F
Minimum sea temperature 47°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 32°F
Precipitation 1.9in
Number of days of rain 3 jour(s)
(9%)
Humidity 93%
Visibility in kilometers 8.5km
Cloud cover 62%
Our opinion freezing swimming

Swim elsewhere in Ireland in january

City Average T° Max. T° Our opinion
Dublin in january50°F53°Ffreezing swimming
Cork in january50°F52°Ffreezing swimming
Galway in january50°F53°Ffreezing swimming
Belmullet in january50°F53°Ffreezing swimming
Connemara National Park in january50°F53°Ffreezing swimming
Dingle in january51°F53°Ffreezing swimming
Dungloe in january50°F53°Ffreezing swimming
Killybegs in january50°F52°Ffreezing swimming
Letterkenny in january49°F52°Ffreezing swimming
Achill Island in january50°F53°Ffreezing swimming
Cliffs of Moher in january50°F53°Ffreezing swimming
Donegal in january50°F53°Ffreezing swimming
Waterford in january50°F52°Ffreezing swimming
Wexford in january50°F52°Ffreezing swimming
Sligo in january50°F53°Ffreezing swimming
Westport in january50°F53°Ffreezing swimming

Swim in Ireland in january: sea temperature by city

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