The temperatures in Sarnen in July are quite cold with temperatures between 7°C and 17°C, warm clothes are a must.
There’s going to be many days of rain during the month of July in Sarnen.
Sarnen should expect an average of 15 to 22 days of rain, so be sure to bring along a waterproof jacket to stay dry this month!
Our weather forecast can give you a great sense of what weather to expect in Sarnen in July 2025.
If you’re planning to visit Sarnen in the near future, we highly recommend that you review the 14 day weather forecast for Sarnen before you arrive.
Temperatures
17° / 7°
Rainy Days
17
Snowy Days
0
Dry Days
14
Rainfall
287
mm
Sun Hours
10.1
Hrs
