Dublin weather in January 2021

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  • 8°C maximum daytime temperature in January in Dublin8
    8°C max day temperature
  • 2 hours of sunshine per day
  • 18 days with some rainfall in January in Dublin18
    18 days with some rainfall
  • 3°C minimum night-time temperature in January in Dublin3
    3°C min night temperature
  • 8 hours of daylight per day in January in Dublin8
    8 hours of daylight per day
  • No heat & humidity in January in Dublin0
    No heat & humidity
  • 62 mm monthly rainfall in January in Dublin62
    62 mm of monthly rainfall
  • No UV (maximum) index in January in Dublin0
    No UV (Maximum) Index UV index
  • 9°C sea temperature in January in Dublin9
    9°C sea temperature
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The January weather guide for Dublin, Ireland 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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How warm is it in Dublin in January?

Daytime temperatures usually reach 8°C in Dublin in January, falling to 3°C at night.

How sunny is it in Dublin in January?

There are normally 2 hours of bright sunshine each day in Dublin in January - that's 22% of daylight hours.

Is the sea cold around Dublin in January?

The average sea temperature around Dublin in January is 9°C.

Does it rain in Dublin in January?

There are usually 18 days with some rain in Dublin in January and the average monthly rainfall is 62mm.

Dublin sunrise & sunset times for January 2021

Browse the sunrise & sunset times for Dublin in January 2021. Select a month to view Dublin sunrise & sunset times for the next twelve months.


Date Sunrise times Sunset times
Friday, 1st January 2021 08:40 16:17
Saturday, 16th January 2021 08:31 16:39
Sunday, 31st January 2021 08:11 17:07
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Metric (°C / mm)  |  Imperial (°F / inches)

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Where is warm in Ireland in January for 2021/2022?

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

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