Belfast weather in May 2020

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  • 14°C maximum daytime temperature in May in Belfast14
    14°C max day temperature
  • 6 hours of sunshine per day
  • 16 days with some rainfall in May in Belfast16
    16 days with some rainfall
  • 6°C minimum night-time temperature in May in Belfast6
    6°C min night temperature
  • 16 hours of daylight per day in May in Belfast16
    16 hours of daylight per day
  • No heat & humidity in May in Belfast0
    No heat & humidity
  • 65 mm monthly rainfall in May in Belfast65
    65 mm of monthly rainfall
  • UV (maximum) index 5 (Moderate) in May in Belfast5
    5 (Moderate) UV index
  • 9°C sea temperature in May in Belfast9
    9°C sea temperature
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The May weather guide for Belfast, 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.

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How warm is it in Belfast in May?

Daytime temperatures usually reach 14°C in Belfast in May, falling to 6°C at night.

How sunny is it in Belfast in May?

There are normally 6 hours of bright sunshine each day in Belfast in May - that's 37% of daylight hours.

Is the sea cold around Belfast in May?

The average sea temperature around Belfast in May is 9°C.

Does it rain in Belfast in May?

There are usually 16 days with some rain in Belfast in May and the average monthly rainfall is 65mm.

Belfast sunrise & sunset times for May 2020

Browse the sunrise & sunset times for Belfast in May 2020. Select a month to view Belfast sunrise & sunset times for the next twelve months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st May 2020 05:44 20:58
Saturday, 16th May 2020 05:16 21:26
Sunday, 31st May 2020 04:55 21:48
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Metric (°C / mm)  |  Imperial (°F / inches)

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Where's warm in Northern Ireland in May?

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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