Ballymena weather in May 2025

Expect 55°F daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Ballymena in May. Check more long-term weather averages for Ballymena in May before you book your next holiday to Northern Ireland in 2025/2026.

  • 55°F maximum daytime temperature in May in Ballymena55
    55°F max day temperature
  • 6 hours of sunshine per day
  • 17 days with some rainfall in May in Ballymena17
    17 days with some rainfall
  • 41°F minimum night-time temperature in May in Ballymena41
    41°F min night temperature
  • 16 hours of daylight per day in May in Ballymena16
    16 hours of daylight per day
  • No heat & humidity in May in Ballymena0
    No heat & humidity
  • 2.7 inches monthly rainfall in May in Ballymena2.7
    2.7 inches of monthly rainfall
  • UV (maximum) index 5 (Moderate) in May in Ballymena5
    5 (Moderate) UV index

More about Ballymena

Ballymena by month

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The May weather guide for Northern Ireland (Ballymena) 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 Ballymena in May?

Daytime temperatures usually reach 55°F in Ballymena in May, falling to 41°F at night.

How sunny is it in Ballymena in May?

There are normally 6 hours of bright sunshine each day in Ballymena in May - that's 36% of daylight hours.

Does it rain in Ballymena in May?

There are usually 17 days with some rain in Ballymena in May and the average monthly rainfall is 2.7 inches.

Ballymena May sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st May 2025 04:45 20:01
Friday, 16th May 2025 04:16 20:28
Saturday, 31st May 2025 03:55 20:51

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