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Dundalk weather in May 2025
Expect 59°F daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Dundalk in May. Check more long-term weather averages for Dundalk in May before you book your next holiday to Ireland in 2025/2026.
- 5959°F max day temperature
- 6 hours of sunshine per day
- 1616 days with some rainfall
- 4343°F min night temperature
- 1616 hours of daylight per day
- 0No heat & humidity
- 2.52.5 inches of monthly rainfall
- 55 (Moderate) UV index
- 5252°F sea temperature
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Recommended for Ireland
The May weather guide for Ireland (Dundalk) 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) | Imperial (°F)
More about Ireland
How warm is it in Dundalk in May?
Daytime temperatures usually reach 59°F in Dundalk in May, falling to 43°F at night.
How sunny is it in Dundalk in May?
There are normally 6 hours of bright sunshine each day in Dundalk in May - that's 36% of daylight hours.
How warm is the sea around Dundalk in May?
The average sea temperature around Dundalk in May is 52°F.
Does it rain in Dundalk in May?
There are usually 16 days with some rain in Dundalk in May and the average monthly rainfall is 2.5 inches.
Dundalk May sunrise & sunset times
Browse the sunrise and sunset times for Dundalk in May 2025. Select a month to view Dundalk sunrise and sunset times for the next 12 months.
JanFebMarAprMayJunJulAugSepOctNovDec
Date | Sunrise times | Sunset times |
---|---|---|
Thursday, 1st May 2025 | 04:49 | 19:58 |
Friday, 16th May 2025 | 04:21 | 20:24 |
Saturday, 31st May 2025 | 04:01 | 20:46 |
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