Roscommon weather in May 2025

Expect 15°C daytime maximum temperatures in the shade with on average 5 hours of sunshine per day in Roscommon in May. Check more long-term weather averages for Roscommon in May before you book your next holiday to Ireland in 2025/2026.

  • 15°C maximum daytime temperature in May in Roscommon15
    15°C max day temperature
  • 5 hours of sunshine per day
  • 18 days with some rainfall in May in Roscommon18
    18 days with some rainfall
  • 6°C minimum night-time temperature in May in Roscommon6
    6°C min night temperature
  • 16 hours of daylight per day in May in Roscommon16
    16 hours of daylight per day
  • No heat & humidity in May in Roscommon0
    No heat & humidity
  • 74 mm monthly rainfall in May in Roscommon74
    74 mm of monthly rainfall
  • UV (maximum) index 5 (Moderate) in May in Roscommon5
    5 (Moderate) UV index

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The May weather guide for Ireland (Roscommon) 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 / mm)  |  Imperial (°F / inches)

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More about Ireland

How warm is it in Roscommon in May?

Daytime temperatures usually reach 15°C in Roscommon in May, falling to 6°C at night.

How sunny is it in Roscommon in May?

There are normally 5 hours of bright sunshine each day in Roscommon in May - that's 33% of daylight hours.

Does it rain in Roscommon in May?

There are usually 18 days with some rain in Roscommon in May and the average monthly rainfall is 74mm.

Roscommon May sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st May 2025 04:57 20:04
Friday, 16th May 2025 04:30 20:30
Saturday, 31st May 2025 04:10 20:51

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