The temperatures in Brussels Capital in August are comfortable with low of 15°C and and high up to 23°C.
You can expect about 3 to 8 days of rain in Brussels Capital during the month of August. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Brussels Capital in August 2025.
If you’re planning to visit Brussels Capital in the near future, we highly recommend that you review the 14 day weather forecast for Brussels Capital before you arrive.
Temperatures
23° / 15°
Rainy Days
5
Snowy Days
0
Dry Days
26
Rainfall
99
mm
Sun Hours
9.8
Hrs
