Ireland weather in December 2021

  • 9°C maximum daytime temperature in December in Ireland (Dublin)9
    9°C max day temperature
  • 2 hours of sunshine per day
  • 17 days with some rainfall in December in Ireland (Dublin)17
    17 days with some rainfall
  • 3°C minimum night-time temperature in December in Ireland (Dublin)3
    3°C min night temperature
  • 8 hours of daylight per day in December in Ireland (Dublin)8
    8 hours of daylight per day
  • No heat & humidity in December in Ireland (Dublin)0
    No heat & humidity
  • 75 mm monthly rainfall in December in Ireland (Dublin)75
    75 mm of monthly rainfall
  • No UV (maximum) index in December in Ireland (Dublin)0
    No UV (Maximum) Index UV index
  • 10°C sea temperature in December in Ireland (Dublin)10
    10°C sea temperature

Below are average maximum temperatures at popular destinations in Ireland in December. Select a destination to see more weather parameters.

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The December weather guide for Ireland (Dublin) 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.

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Metric (°C / mm)  |  Imperial (°F / inches)

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More about Ireland

How warm is it in Ireland in December?

Daytime temperatures usually reach 9°C in Dublin, Ireland in December, falling to 3°C at night.

How sunny is it in Ireland in December?

There are normally 2 hours of bright sunshine each day in Dublin, Ireland in December - that's 21% of daylight hours.

Is the sea cold around Ireland in December?

The average sea temperature around Dublin, Ireland in December is 10°C.

Does it rain in Ireland in December?

There are usually 17 days with some rain in Dublin, Ireland in December and the average monthly rainfall is 75mm.

Ireland December sunrise & sunset times

Browse the sunrise and sunset times for Ireland in December 2021. Select a month to view Ireland sunrise and sunset times for the next 12 months. The Ireland sunrise and sunset times shown below are for Dublin.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st December 2021 08:17 16:10
Thursday, 16th December 2021 08:35 16:07
Friday, 31st December 2021 08:40 16:16

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