The temperatures in Zernez in August are quite cold with temperatures between 5°C and 14°C, warm clothes are a must.
You can expect rain for roughly half of the month of August in Zernez. 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.
Please note that Zernez can expect a few days of snow in August.
Our weather forecast can give you a great sense of what weather to expect in Zernez in August 2026.
If you’re planning to visit Zernez in the near future, we highly recommend that you review the 14 day weather forecast for Zernez before you arrive.
Temperatures
14° / 5°
Rainy Days
13
Snowy Days
1
Dry Days
17
Rainfall
145
mm
Sun Hours
5.3
Hrs