Tuscany Weather

Siena in May

Warm late spring days. Perfect for outdoor activities.

Shoulder Season

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May is part of Spring

See the complete spring weather guide

Weather Overview

Average conditions for Siena in May

Average High

23°C

73°F

Average Low

11°C

52°F

Precipitation

60mm

7 rainy days

Sunny Days

days

Humidity

66%

UV Index

Sunshine Hours

8h/day

What to Pack

Packing recommendations for May

Light clothing, sun hat, sunglasses, sunscreen, comfortable sandals.

Light jacket or cardigan

Layered clothing

Comfortable walking shoes

Umbrella (rain is common)

Sunglasses

Light scarf

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 May 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