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Northern Ireland weather in May 2021
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Below are average maximum temperatures at popular destinations in Northern Ireland in May. Select a destination to see more weather parameters.
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The May weather guide for Northern 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.
Northern Ireland holiday rentals
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Northern Ireland cottages
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Northern Ireland hotels
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Northern Ireland camping & hostels
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Northern Ireland holiday parks
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Northern Ireland car hire
Need to hire a car for Northern Ireland? Check out the car hire companies and brokers offering car rentals for Northern Ireland.
How warm is it in Northern Ireland in May?
Daytime temperatures usually reach 14°C in Belfast, Northern Ireland in May, falling to 6°C at night.
How sunny is it in Northern Ireland in May?
There are normally 6 hours of bright sunshine each day in Belfast, Northern Ireland in May - that's 37% of daylight hours.
Is the sea cold around Northern Ireland in May?
The average sea temperature around Belfast, Northern Ireland in May is 9°C.
Does it rain in Northern Ireland in May?
There are usually 16 days with some rain in Belfast, Northern Ireland in May and the average monthly rainfall is 65mm.
Northern Ireland sunrise & sunset times for May 2021
Browse the sunrise & sunset times for Northern Ireland in May 2021. Select a month to view Northern Ireland sunrise & sunset times for the next twelve months. The Northern Ireland sunrise & sunset times shown below are for Belfast.
|Date||Sunrise times||Sunset times|
|Saturday, 1st May 2021||05:45||20:58|
|Sunday, 16th May 2021||05:16||21:25|
|Monday, 31st May 2021||04:56||21:48|
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Metric (°C / mm) | Imperial (°F / inches)
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