The weather in Brentwood in August is hot. The average temperatures are between 22°C and 26°C.
You can expect about 3 to 8 days of rain in Brentwood 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 Brentwood in August 2025.
If you’re planning to visit Brentwood in the near future, we highly recommend that you review the 14 day weather forecast for Brentwood before you arrive.
Temperatures
26° / 22°
Rainy Days
6
Snowy Days
0
Dry Days
25
Rainfall
183
mm
Sun Hours
8.7
Hrs
