The temperatures in Thun in August are quite cold with temperatures between 7°C and 21°C, warm clothes are a must.
You can expect rain for roughly half of the month of August in Thun. We’re expecting roughly 8 to 15 days of rain, so your rubber boots and umbrella are going to see plenty of use this month if you’re keen on staying dry.
Our weather forecast can give you a great sense of what weather to expect in Thun in August 2025.
If you’re planning to visit Thun in the near future, we highly recommend that you review the 14 day weather forecast for Thun before you arrive.
Temperatures
21° / 7°
Rainy Days
12
Snowy Days
0
Dry Days
19
Rainfall
220
mm
Sun Hours
10.9
Hrs