The temperatures in Trysil in August are quite cold with temperatures between 8°C and 16°C, warm clothes are a must.
You can expect rain for roughly half of the month of August in Trysil. 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 Trysil in August 2026.
If you’re planning to visit Trysil in the near future, we highly recommend that you review the 14 day weather forecast for Trysil before you arrive.
Temperatures
16° / 8°
Rainy Days
11
Snowy Days
0
Dry Days
20
Rainfall
164
mm
Sun Hours
8.3
Hrs
