Donegal weather in January 2025

Expect 43°F daytime maximum temperatures in the shade with on average 1 hours of sunshine per day in Donegal in January. Check more long-term weather averages for Donegal in January before you book your next holiday to Ireland in 2025/2026.

  • 43°F maximum daytime temperature in January in Donegal43
    43°F max day temperature
  • 1 hour of sunshine per day
  • 24 days with some rainfall in January in Donegal24
    24 days with some rainfall
  • 34°F minimum night-time temperature in January in Donegal34
    34°F min night temperature
  • 8 hours of daylight per day in January in Donegal8
    8 hours of daylight per day
  • No heat & humidity in January in Donegal0
    No heat & humidity
  • 6.5 inches monthly rainfall in January in Donegal6.5
    6.5 inches of monthly rainfall
  • No UV (maximum) index in January in Donegal0
    No UV (Maximum) Index UV index
  • 46°F sea temperature in January in Donegal46
    46°F sea temperature

More about Donegal

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The January weather guide for Ireland (Donegal) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C)  |  Imperial (°F)

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More about Ireland

How cold is it in Donegal in January?

Daytime temperatures usually reach 43°F in Donegal in January, falling to 34°F at night.

How sunny is it in Donegal in January?

There are normally 1 hour of bright sunshine each day in Donegal in January - that's 18% of daylight hours.

How warm is the sea around Donegal in January?

The average sea temperature around Donegal in January is 46°F.

Does it rain in Donegal in January?

There are usually 24 days with some rain in Donegal in January and the average monthly rainfall is 6.5 inches.

Donegal January sunrise & sunset times

Browse the sunrise and sunset times for Donegal in January 2025. Select a month to view Donegal sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st January 2025 08:55 16:17
Thursday, 16th January 2025 08:45 16:40
Friday, 31st January 2025 08:23 17:09

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