Cavan weather in January 2026

Expect 7°C daytime maximum temperatures in the shade with on average 2 hours of sunshine per day in Cavan in January based on long-term weather averages. There is usually 21 days with some rainfall and 109 mm of average monthly rainfall in January.

  • 7°C maximum daytime temperature in January in Cavan7
    7°C max day temperature
  • 2 hours of sunshine per day
  • 21 days with some rainfall in January in Cavan21
    21 days with some rainfall
  • 1°C minimum night-time temperature in January in Cavan1
    1°C min night temperature
  • 8 hours of daylight per day in January in Cavan8
    8 hours of daylight per day
  • No heat & humidity in January in Cavan0
    No heat & humidity
  • 109 mm monthly rainfall in January in Cavan109
    109 mm of monthly rainfall
  • No UV (maximum) index in January in Cavan0
    No UV (Maximum) Index UV index

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The January weather guide for Ireland (Cavan) 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 Cavan in January?

Daytime temperatures usually reach 7°C in Cavan in January, falling to 1°C at night.

How sunny is it in Cavan in January?

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

Does it rain in Cavan in January?

There are usually 21 days with some rain in Cavan in January and the average monthly rainfall is 109mm.

Cavan January sunrise & sunset times

Browse the sunrise and sunset times for Cavan in January 2026. Select a month to view Cavan sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st January 2026 08:48 16:18
Friday, 16th January 2026 08:39 16:40
Saturday, 31st January 2026 08:18 17:08

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