The weather in Sirmione in December is very cold with temperatures between 37°F and 46°F, warm clothes are a must.
You can expect about 3 to 8 days of rain in Sirmione during the month of December. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Please note that Sirmione can expect a few days of snow in December.
Our weather forecast can give you a great sense of what weather to expect in Sirmione in December 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.