Tuscany Weather

Siena in December

Winter conditions return. Cold and occasionally rainy.

Off-Season

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December is part of Winter

See the complete winter weather guide

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

Sunny Days

days

Humidity

80%

UV Index

Sunshine Hours

3h/day

What to Pack

Packing recommendations for December

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

Warm winter coat

Layered clothing

Scarf, gloves, and hat

Waterproof boots

Umbrella

Warm sweaters

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°

Find Hotels in Siena

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Essentials for December weather in Italy.

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Planning Your Visit?

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

Best Time to Visit Siena Siena City Guide