Cavan weather in May 2026

Expect daytime maximum temperatures of 15°C in Cavan, Ireland in May based on long-term weather averages. There are 5 hours of sunshine per day on average with 18 days with some rainfall and typically 76 mm of rainfall in the month.

  • 15°C maximum daytime temperature in May in Cavan15
    15°C max day temperature
  • 5 hours of sunshine per day
  • 18 days with some rainfall in May in Cavan18
    18 days with some rainfall
  • 6°C minimum night-time temperature in May in Cavan6
    6°C min night temperature
  • 16 hours of daylight per day in May in Cavan16
    16 hours of daylight per day
  • No heat & humidity in May in Cavan0
    No heat & humidity
  • 76 mm monthly rainfall in May in Cavan76
    76 mm of monthly rainfall
  • UV (maximum) index 5 (Moderate) in May in Cavan5
    5 (Moderate) UV index

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The May weather guide for Ireland (Cavan) 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 Cavan in May?

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

How sunny is it in Cavan in May?

There are normally 5 hours of bright sunshine each day in Cavan in May - that's 32% of daylight hours.

Does it rain in Cavan in May?

There are usually 18 days with some rain in Cavan in May and the average monthly rainfall is 76mm.

Cavan May sunrise & sunset times

Browse the sunrise and sunset times for Cavan in May 2026. Select a month to view Cavan sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st May 2026 04:53 20:01
Saturday, 16th May 2026 04:25 20:28
Sunday, 31st May 2026 04:05 20:50

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