Killarney weather in May 2025

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

  • 57°F maximum daytime temperature in May in Killarney57
    57°F max day temperature
  • 6 hours of sunshine per day
  • 18 days with some rainfall in May in Killarney18
    18 days with some rainfall
  • 45°F minimum night-time temperature in May in Killarney45
    45°F min night temperature
  • 16 hours of daylight per day in May in Killarney16
    16 hours of daylight per day
  • No heat & humidity in May in Killarney0
    No heat & humidity
  • 3.3 inches monthly rainfall in May in Killarney3.3
    3.3 inches of monthly rainfall
  • UV (maximum) index 5 (Moderate) in May in Killarney5
    5 (Moderate) UV index

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Killarney by month

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The May weather guide for Ireland (Killarney) 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 Ireland

How warm is it in Killarney in May?

Daytime temperatures usually reach 57°F in Killarney in May, falling to 45°F at night.

How sunny is it in Killarney in May?

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

Does it rain in Killarney in May?

There are usually 18 days with some rain in Killarney in May and the average monthly rainfall is 3.3 inches.

Killarney May sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st May 2025 05:08 20:04
Friday, 16th May 2025 04:42 20:28
Saturday, 31st May 2025 04:24 20:48

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