Ireland weather in January

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Check the Ireland weather in January before you book your next holiday. This gives the best indication of the weather in January and includes figures for temperature, sunshine and rainfall. The Ireland january weather guide shown below is for Dublin.

  • 46°F maximum daytime temperature in January in Ireland (Dublin)46
    46°F max day temperature
  • 2 hours of sunshine per day (22% of daylight hours) in January in Ireland2
    2 hours of sunshine per day
  • 18 days with some rainfall in January in Ireland (Dublin)18
    18 days with some rainfall
  • 37°F minimum night-time temperature in January in Ireland (Dublin)37
    37°F min night temperature
  • 8 hours of daylight per day in January in Ireland (Dublin)8
    8 hours of daylight per day
  • No heat & humidity in January in Ireland (Dublin)0
    No heat & humidity
  • 2.4 inches monthly rainfall in January in Ireland (Dublin)2.4
    2.4 inches of monthly rainfall
  • No UV (maximum) index in January in Ireland (Dublin)0
    No UV (Maximum) Index UV index
  • 46°F sea temperature in January in Ireland (Dublin)46
    46°F sea temperature

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Metric (°C)  |  Imperial (°F)

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Ireland weather map: Select a destination

Select a destination from the Ireland weather map below to view the individual January weather guide. Can't find the Ireland weather destination you are after? Try the destination search.

Ireland weather by month

Check the weather in Ireland for a particular month by selecting from the list below.

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