The weather in Westminster in August is hot. The average temperatures are between 16°C and 30°C. Usually the days in August are hot while the nights are a bit cooler.
You can expect about 3 to 8 days of rain in Westminster 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 Westminster in August 2025.
If you’re planning to visit Westminster in the near future, we highly recommend that you review the 14 day weather forecast for Westminster before you arrive.
Temperatures
30° / 16°
Rainy Days
7
Snowy Days
0
Dry Days
24
Rainfall
31
mm
Sun Hours
10.1
Hrs
