Ireland weather in January 2021

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

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The January weather guide for 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 Ireland in January?

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

How sunny is it in Ireland in January?

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

Is the sea cold around Ireland in January?

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

Does it rain in Ireland in January?

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

Ireland sunrise & sunset times for January 2021

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


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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