Tuscany Weather

Siena in August

Hot summer continues. Many locals take vacations.

Peak Season

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August is part of Summer

See the complete summer weather guide

Weather Overview

Average conditions for Siena in August

Average High

31°C

88°F

Average Low

18°C

64°F

Precipitation

40mm

4 rainy days

Sunny Days

days

Humidity

60%

UV Index

Sunshine Hours

10h/day

What to Pack

Packing recommendations for August

Summer essentials, swimwear, sunscreen SPF 50+, cooling towel, light cardigan for A/C.

Light, breathable clothing

Sun hat and sunglasses

Sunscreen (SPF 30+)

Comfortable sandals

Light cardigan for evenings

Reusable water bottle

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

Book your August stay with free cancellation.

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Shop Travel Gear

Essentials for August 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