The weather in Sirmione in August is hot. The average temperatures are between 66°F and 87°F. Usually the days in August are hot while the nights are a bit cooler.
You can expect about 3 to 8 days of rain in Sirmione 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 Sirmione in August 2025.
If you’re planning to visit Sirmione in the near future, we highly recommend that you review the 14 day weather forecast for Sirmione before you arrive.