The weather in Siena in March is very cold with temperatures between 4°C and 14°C, warm clothes are a must.
You can expect about 3 to 8 days of rain in Siena during the month of March. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Please note that Siena can expect a few days of snow in March.
Our weather forecast can give you a great sense of what weather to expect in Siena in March 2025.
If you’re planning to visit Siena in the near future, we highly recommend that you review the 14 day weather forecast for Siena before you arrive.