Weather in Siena in December
The weather in Siena in December is cold, when degrees are between 3 and 11 and there are 13 days of rain and 1 days of snow in average. Therefore, if you are planning a trip to Siena in December, warm clothes and gloves are highly recommended.
Avg Temp
3° - 11°
Avg Rainy Days
13
Avg Dry Days
18
Avg Snow Days
1
Weather Facts - Siena in December
* The warmest temperature recorded in in December is 20°C
* The coldest temperature recorded in Siena in December is (-10°C)
* The average rainfall in Siena in December is 87 mm