Ireland weather in May 2021

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

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The May 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 May?

Daytime temperatures usually reach 15°C in Dublin, Ireland in May, falling to 7°C at night.

How sunny is it in Ireland in May?

There are normally 6 hours of bright sunshine each day in Dublin, Ireland in May - that's 38% of daylight hours.

Is the sea cold around Ireland in May?

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

Does it rain in Ireland in May?

There are usually 16 days with some rain in Dublin, Ireland in May and the average monthly rainfall is 55mm.

Ireland sunrise & sunset times for May 2021

Browse the sunrise & sunset times for Ireland in May 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.

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