The temperatures in Switzerland 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 Switzerland 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 Switzerland in August 2025.
If you’re planning to visit Switzerland in the near future, we highly recommend that you review the 14 day weather forecast for Switzerland before you arrive.