Londonderry weather in August 2025

Q: How warm is it in Londonderry in August?

Daytime temperatures usually reach 17°C in Londonderry in August, falling to 10°C at night.

Q: How sunny is it in Londonderry in August?

There are normally 4 hours of bright sunshine each day in Londonderry in August - that's 28% of daylight hours.

Q: Does it rain in Londonderry in August?

There are usually 20 days with some rain in Londonderry in August and the average monthly rainfall is 99mm.

Expect daytime maximum temperatures of 63°F in Londonderry, Northern Ireland in August based on long-term weather averages. There are 4 hours of sunshine per day on average with 20 days with some rainfall and typically 3.9 inches of rainfall in the month.

63
63°F max day temperature
4
4 hours of sunshine per day
20
20 days with some rainfall
50
50°F min night temperature
15
15 hours of daylight per day
0
No heat & humidity
3.9
3.9 inches of monthly rainfall
5
5 (Moderate) UV index

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The August weather guide for Northern Ireland (Londonderry) 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 the UK

How warm is it in Londonderry in August?

Daytime temperatures usually reach 63°F in Londonderry in August, falling to 50°F at night.

How sunny is it in Londonderry in August?

There are normally 4 hours of bright sunshine each day in Londonderry in August - that's 28% of daylight hours.

Does it rain in Londonderry in August?

There are usually 20 days with some rain in Londonderry in August and the average monthly rainfall is 3.9 inches.

Londonderry August sunrise & sunset times

Browse the sunrise and sunset times for Londonderry in August 2025. Select a month to view Londonderry sunrise and sunset times for the next 12 months.

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