Ireland weather in January

Check the Weather in Ireland 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

Metric (°C)  |  Imperial (°F)

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