Hillsborough weather in August 2025

Q: How hot is it in Hillsborough in August?

Daytime temperatures usually reach 18°C in Hillsborough in August, falling to 10°C at night.

Q: How sunny is it in Hillsborough in August?

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

Q: Does it rain in Hillsborough in August?

There are usually 18 days with some rain in Hillsborough in August and the average monthly rainfall is 98mm.

Expect 64°F daytime maximum temperatures in the shade with on average 5 hours of sunshine per day in Hillsborough in August. Check more long-term weather averages for Hillsborough in August before you book your next holiday to Northern Ireland in 2025/2026.

64
64°F max day temperature
5
5 hours of sunshine per day
18
18 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 (Hillsborough) 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 hot is it in Hillsborough in August?

Daytime temperatures usually reach 64°F in Hillsborough in August, falling to 50°F at night.

How sunny is it in Hillsborough in August?

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

Does it rain in Hillsborough in August?

There are usually 18 days with some rain in Hillsborough in August and the average monthly rainfall is 3.9 inches.

Hillsborough August sunrise & sunset times

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

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