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Letterkenny weather in May 2025
Expect 13°C daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Letterkenny in May. Check more long-term weather averages for Letterkenny in May before you book your next holiday to Ireland in 2025/2026.
- 1313°C max day temperature
- 6 hours of sunshine per day
- 1919 days with some rainfall
- 55°C min night temperature
- 1616 hours of daylight per day
- 0No heat & humidity
- 8282 mm of monthly rainfall
- 55 (Moderate) UV index
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Recommended for Ireland
The May weather guide for Ireland (Letterkenny) 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)
More about Ireland
How warm is it in Letterkenny in May?
Daytime temperatures usually reach 13°C in Letterkenny in May, falling to 5°C at night.
How sunny is it in Letterkenny in May?
There are normally 6 hours of bright sunshine each day in Letterkenny in May - that's 34% of daylight hours.
Does it rain in Letterkenny in May?
There are usually 19 days with some rain in Letterkenny in May and the average monthly rainfall is 82mm.
Letterkenny May sunrise & sunset times
Browse the sunrise and sunset times for Letterkenny in May 2025. Select a month to view Letterkenny sunrise and sunset times for the next 12 months.
JanFebMarAprMayJunJulAugSepOctNovDec
Date | Sunrise times | Sunset times |
---|---|---|
Thursday, 1st May 2025 | 04:51 | 20:07 |
Friday, 16th May 2025 | 04:21 | 20:34 |
Saturday, 31st May 2025 | 04:01 | 20:58 |
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