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Brussels weather in August 2025
Expect 23°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Brussels in August. Check more long-term weather averages for Brussels in August before you book your next holiday to Belgium in 2025/2026.
- 2323°C max day temperature
- 7 hours of sunshine per day
- 1616 days with some rainfall
- 1313°C min night temperature
- 1414 hours of daylight per day
- 0No heat & humidity
- 6363 mm of monthly rainfall
- 66 (High) UV index
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Recommended for Belgium
The August weather guide for Belgium (Brussels) 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 Belgium
How hot is it in Brussels in August?
Daytime temperatures usually reach 23°C in Brussels in August, falling to 13°C at night.
How sunny is it in Brussels in August?
There are normally 7 hours of bright sunshine each day in Brussels in August - that's 48% of daylight hours.
Does it rain in Brussels in August?
There are usually 16 days with some rain in Brussels in August and the average monthly rainfall is 63mm.
Brussels August sunrise & sunset times
Browse the sunrise and sunset times for Brussels in August 2025. Select a month to view Brussels sunrise and sunset times for the next 12 months.
JanFebMarAprMayJunJulAugSepOctNovDec
Date | Sunrise times | Sunset times |
---|---|---|
Friday, 1st August 2025 | 05:09 | 20:28 |
Saturday, 16th August 2025 | 05:32 | 20:01 |
Sunday, 31st August 2025 | 05:55 | 19:30 |
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