Donegal weather in January 2025

Expect 6°C 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.

  • 6°C maximum daytime temperature in January in Donegal6
    6°C max day temperature
  • 1 hour of sunshine per day
  • 24 days with some rainfall in January in Donegal24
    24 days with some rainfall
  • 1°C minimum night-time temperature in January in Donegal1
    1°C 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
  • 164 mm monthly rainfall in January in Donegal164
    164 mm of monthly rainfall
  • No UV (maximum) index in January in Donegal0
    No UV (Maximum) Index UV index
  • 8°C sea temperature in January in Donegal8
    8°C sea temperature

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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 / mm)  |  Imperial (°F / inches)

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More about Ireland

How cold is it in Donegal in January?

Daytime temperatures usually reach 6°C in Donegal in January, falling to 1°C 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.

Is the sea cold around Donegal in January?

The average sea temperature around Donegal in January is 8°C.

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 164mm.

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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