The temperatures in Winterthur in August are comfortable with low of 12°C and and high up to 25°C.
You can expect about 3 to 8 days of rain in Winterthur 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 Winterthur in August 2025.
If you’re planning to visit Winterthur in the near future, we highly recommend that you review the 14 day weather forecast for Winterthur before you arrive.
Temperatures
25° / 12°
Rainy Days
6
Snowy Days
0
Dry Days
25
Rainfall
121
mm
Sun Hours
10.8
Hrs
