Dublin weather in December 2025

Expect daytime maximum temperatures of 48°F in Dublin, Ireland in December based on long-term weather averages. There are 2 hours of sunshine per day on average with 17 days with some rainfall and typically 3.0 inches of rainfall in the month.

  • 48°F maximum daytime temperature in December in Dublin48
    48°F max day temperature
  • 2 hours of sunshine per day
  • 17 days with some rainfall in December in Dublin17
    17 days with some rainfall
  • 37°F minimum night-time temperature in December in Dublin37
    37°F min night temperature
  • 8 hours of daylight per day in December in Dublin8
    8 hours of daylight per day
  • No heat & humidity in December in Dublin0
    No heat & humidity
  • 3.0 inches monthly rainfall in December in Dublin3.0
    3.0 inches of monthly rainfall
  • No UV (maximum) index in December in Dublin0
    No UV (Maximum) Index UV index
  • 50°F sea temperature in December in Dublin50
    50°F sea temperature

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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.

Metric (°C)  |  Imperial (°F)

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More about Ireland

How warm is it in Dublin in December?

Daytime temperatures usually reach 48°F in Dublin in December, falling to 37°F at night.

How sunny is it in Dublin in December?

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

How warm is the sea around Dublin in December?

The average sea temperature around Dublin in December is 50°F.

Does it rain in Dublin in December?

There are usually 17 days with some rain in Dublin in December and the average monthly rainfall is 3.0 inches.

Dublin December sunrise & sunset times

Browse the sunrise and sunset times for Dublin in December 2025. Select a month to view Dublin sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st December 2025 08:17 16:10
Tuesday, 16th December 2025 08:35 16:07
Wednesday, 31st December 2025 08:40 16:16

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