Siena weather in December (Tuscany, Italy)

Will it be warm or cold in Siena this December? Here’s a detailed forecast of the month’s weather patterns.

Temperatures

In December, Siena usually has low temperatures and moderate rainfall. Experience the winter season in December. You can expect daytime temperatures to reach around 11°C, while the nights will see a decline to about 3°C.

Precipitation

Siena in December usually receives moderate rainfall, averaging around 84 mm for the month. When we look at the climate data from the last 30 years, you can expect around 13 days of rain.

Average sunshine

The city usually sees around 100 hours of sunlight, indicating a moderately sunny period.

Should you favor a climate that's both dry and comfortably warm May, June and September typically offer the most agreeable circumstances. On the other hand, January tends to be characterized by conditions that may not be as optimal.

For an in-depth look at the yearly conditions, visit our specialized Siena climate page with graphs.

 

Siena, monthly averages in December

Min Temperature 3°C  

Max Temperature 11°C  

Chance of Rain 43%  

Precipitation 84 mm  

Rainy days 13 days  

Sunshine 100 hours  

Percentage Sunshine  

Where to go in Italy in December

Find out more about the weather in Italy and which places have the best travel conditions in this month.

Weather conditions Weather

Temperatures

Precipitation

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Legend perfect weather pleasant tolerable unpleasant poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

So, what should you wear in this month?

Plan on layering your clothes. Some days or part of the day it will be nice and warm and some moments it can be a bit chilly. Bring a rain jacket in case it rains during your stay.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

5/10

Cycling

6/10

Walking

6/10

Camping

4/10

Outdoor sports

6/10

Interested in more climate information?

This site provides you with all the information you need about the climate in Siena.

Our site offers climate and forecast data for every country in the world. Are you going to Italy? On this website you can find historical weather averages for many cities in Italy. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.