Armagh weather in August 2026

Q: How hot is it in Armagh in August?

Daytime temperatures usually reach 18°C in Armagh in August, falling to 11°C at night.

Q: How sunny is it in Armagh in August?

There are normally 5 hours of bright sunshine each day in Armagh in August - that's 32% of daylight hours.

Q: How warm is the sea around Armagh in August?

The average sea temperature around Armagh in August is 13°C.

Q: Does it rain in Armagh in August?

There are usually 17 days with some rain in Armagh in August and the average monthly rainfall is 89mm.

Expect daytime maximum temperatures of 19°C in Armagh, Northern Ireland in August based on long-term weather averages. There are 4 hours of sunshine per day on average with 19 days with some rainfall and typically 79 mm of rainfall in the month.

19
19°C max day temperature
4
4 hours of sunshine per day
19
19 days with some rainfall
10
10°C min night temperature
15
15 hours of daylight per day
0
No heat & humidity
79
79 mm of monthly rainfall
5
5 (Moderate) UV index

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The August weather guide for Northern Ireland (Armagh) 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)