Siena Weather in December

Complete weather guide for December in Siena

Siena City

December Month

10°C Avg Temp

60mm Rainfall

Weather Overview

Average conditions for Siena in December

Average High

10°C

50°F

Average Low

2°C

36°F

Precipitation

60mm

7 rainy days

Sunshine

sunny days

Humidity

80%

UV Index

Sunshine Hours

3h/day

What to Pack

Packing recommendations for December

Siena in December requires warm layers. A good coat, scarf, and waterproof shoes are essential. The upside? Fewer tourists and cozy trattorias serving hearty seasonal dishes.

Winter coat, warm layers, scarf, gloves, waterproof shoes.

Compare All Months

See weather patterns throughout the year in Siena

Jan

9°

1°

Feb

11°

2°

Mar

14°

4°

Apr

18°

7°

May

23°

11°

Jun

27°

15°

Jul

31°

18°

Aug

31°

18°

Sep

26°

14°

Oct

20°

10°

Nov

14°

5°

Dec

10°

2°

Planning Your Trip?

Compare crowds, prices, and events for each month to find the perfect time to visit Siena.

Best Time to Visit Siena