The weather in Whistler in August is very cold with temperatures between 3°C and 21°C, warm clothes are a must.
You can expect about 3 to 8 days of rain in Whistler 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 Whistler in August 2025.
If you’re planning to visit Whistler in the near future, we highly recommend that you review the 14 day weather forecast for Whistler before you arrive.
Temperatures
21° / 3°
Rainy Days
6
Snowy Days
0
Dry Days
25
Rainfall
113
mm
Sun Hours
11.2
Hrs
