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Dundalk weather in August 2025
Expect 19°C daytime maximum temperatures in the shade with on average 5 hours of sunshine per day in Dundalk in August. Check more long-term weather averages for Dundalk in August before you book your next holiday to Ireland in 2025/2026.
- 1919°C max day temperature
- 5 hours of sunshine per day
- 1717 days with some rainfall
- 1111°C min night temperature
- 1515 hours of daylight per day
- 0No heat & humidity
- 7272 mm of monthly rainfall
- 55 (Moderate) UV index
- 1515°C sea temperature
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Recommended for Ireland
The August 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 / mm) | Imperial (°F / inches)
More about Ireland
How hot is it in Dundalk in August?
Daytime temperatures usually reach 19°C in Dundalk in August, falling to 11°C at night.
How sunny is it in Dundalk in August?
There are normally 5 hours of bright sunshine each day in Dundalk in August - that's 31% of daylight hours.
How warm is the sea around Dundalk in August?
The average sea temperature around Dundalk in August is 15°C.
Does it rain in Dundalk in August?
There are usually 17 days with some rain in Dundalk in August and the average monthly rainfall is 72mm.
Dundalk August sunrise & sunset times
Browse the sunrise and sunset times for Dundalk in August 2025. Select a month to view Dundalk sunrise and sunset times for the next 12 months.
JanFebMarAprMayJunJulAugSepOctNovDec
Date | Sunrise times | Sunset times |
---|---|---|
Friday, 1st August 2025 | 04:39 | 20:23 |
Saturday, 16th August 2025 | 05:06 | 19:53 |
Sunday, 31st August 2025 | 05:32 | 19:18 |
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