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Galway weather in May 2025
Expect 15°C daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Galway in May. Check more long-term weather averages for Galway in May before you book your next holiday to Ireland in 2025/2026.
- 1515°C max day temperature
- 6 hours of sunshine per day
- 1818 days with some rainfall
- 77°C min night temperature
- 1616 hours of daylight per day
- 0No heat & humidity
- 7171 mm of monthly rainfall
- 55 (Moderate) UV index
- 1111°C sea temperature
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Recommended for Ireland
The May weather guide for Ireland (Galway) 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 Galway in May?
Daytime temperatures usually reach 15°C in Galway in May, falling to 7°C at night.
How sunny is it in Galway in May?
There are normally 6 hours of bright sunshine each day in Galway in May - that's 35% of daylight hours.
Is the sea cold around Galway in May?
The average sea temperature around Galway in May is 11°C.
Does it rain in Galway in May?
There are usually 18 days with some rain in Galway in May and the average monthly rainfall is 71mm.
Galway May sunrise & sunset times
Browse the sunrise and sunset times for Galway in May 2025. Select a month to view Galway sunrise and sunset times for the next 12 months.
JanFebMarAprMayJunJulAugSepOctNovDec
Date | Sunrise times | Sunset times |
---|---|---|
Thursday, 1st May 2025 | 05:02 | 20:06 |
Friday, 16th May 2025 | 04:35 | 20:31 |
Saturday, 31st May 2025 | 04:16 | 20:53 |
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