Achill Island weather in January 2025

Expect 46°F daytime maximum temperatures in the shade with on average 2 hours of sunshine per day in Achill Island in January. Check more long-term weather averages for Achill Island in January before you book your next holiday to Ireland in 2025/2026.

  • 46°F maximum daytime temperature in January in Achill Island46
    46°F max day temperature
  • 2 hours of sunshine per day
  • 23 days with some rainfall in January in Achill Island23
    23 days with some rainfall
  • 37°F minimum night-time temperature in January in Achill Island37
    37°F min night temperature
  • 8 hours of daylight per day in January in Achill Island8
    8 hours of daylight per day
  • No heat & humidity in January in Achill Island0
    No heat & humidity
  • 5.6 inches monthly rainfall in January in Achill Island5.6
    5.6 inches of monthly rainfall
  • No UV (maximum) index in January in Achill Island0
    No UV (Maximum) Index UV index
  • 48°F sea temperature in January in Achill Island48
    48°F sea temperature

More about Achill Island

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The January weather guide for Ireland (Achill Island) 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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How warm is it in Achill Island in January?

Daytime temperatures usually reach 46°F in Achill Island in January, falling to 37°F at night.

How sunny is it in Achill Island in January?

There are normally 2 hours of bright sunshine each day in Achill Island in January - that's 19% of daylight hours.

How warm is the sea around Achill Island in January?

The average sea temperature around Achill Island in January is 48°F.

Does it rain in Achill Island in January?

There are usually 23 days with some rain in Achill Island in January and the average monthly rainfall is 5.6 inches.

Achill Island January sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st January 2025 08:59 16:29
Thursday, 16th January 2025 08:49 16:51
Friday, 31st January 2025 08:28 17:20

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