Carlow weather in May 2026

Expect daytime maximum temperatures of 15°C in Carlow, Ireland in May based on long-term weather averages. There are 6 hours of sunshine per day on average with 17 days with some rainfall and typically 67 mm of rainfall in the month.

  • 15°C maximum daytime temperature in May in Carlow15
    15°C max day temperature
  • 6 hours of sunshine per day
  • 17 days with some rainfall in May in Carlow17
    17 days with some rainfall
  • 6°C minimum night-time temperature in May in Carlow6
    6°C min night temperature
  • 16 hours of daylight per day in May in Carlow16
    16 hours of daylight per day
  • No heat & humidity in May in Carlow0
    No heat & humidity
  • 67 mm monthly rainfall in May in Carlow67
    67 mm of monthly rainfall
  • UV (maximum) index 5 (Moderate) in May in Carlow5
    5 (Moderate) UV index

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

Daytime temperatures usually reach 15°C in Carlow in May, falling to 7°C at night.

How sunny is it in Carlow in May?

There are normally 6 hours of bright sunshine each day in Carlow in May - that's 38% of daylight hours.

Is the sea cold around Carlow in May?

The average sea temperature around Carlow in May is 10°C.

Does it rain in Carlow in May?

There are usually 16 days with some rain in Carlow in May and the average monthly rainfall is 55mm.

Carlow May sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st May 2026 04:55 19:55
Saturday, 16th May 2026 04:29 20:20
Sunday, 31st May 2026 04:10 20:42

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