Londonderry weather in May 2025

Expect 57°F daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Londonderry in May. Check more long-term weather averages for Londonderry in May before you book your next holiday to Northern Ireland in 2025/2026.

  • 57°F maximum daytime temperature in May in Londonderry57
    57°F max day temperature
  • 6 hours of sunshine per day
  • 18 days with some rainfall in May in Londonderry18
    18 days with some rainfall
  • 41°F minimum night-time temperature in May in Londonderry41
    41°F min night temperature
  • 16 hours of daylight per day in May in Londonderry16
    16 hours of daylight per day
  • No heat & humidity in May in Londonderry0
    No heat & humidity
  • 3.2 inches monthly rainfall in May in Londonderry3.2
    3.2 inches of monthly rainfall
  • UV (maximum) index 5 (Moderate) in May in Londonderry5
    5 (Moderate) UV index

More about Londonderry

Londonderry by month

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Recommended for Northern Ireland

  • Kids stay & eat for free at Marriot Bonvoy
  • Destinations include Europe, Middle East & Africa
  • Valid for up to 2 adults & 2 kids aged up to 12

The May weather guide for Northern Ireland (Londonderry) 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.

Metric (°C)  |  Imperial (°F)

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More about the UK

How warm is it in Londonderry in May?

Daytime temperatures usually reach 57°F in Londonderry in May, falling to 41°F at night.

How sunny is it in Londonderry in May?

There are normally 6 hours of bright sunshine each day in Londonderry in May - that's 34% of daylight hours.

Does it rain in Londonderry in May?

There are usually 18 days with some rain in Londonderry in May and the average monthly rainfall is 3.2 inches.

Londonderry May sunrise & sunset times

Browse the sunrise and sunset times for Londonderry in May 2025. Select a month to view Londonderry sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st May 2025 04:49 20:05
Friday, 16th May 2025 04:20 20:33
Saturday, 31st May 2025 03:59 20:56

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