Siena weather

Our guide to the weather and climate in Siena

Weather during January

9

Average high

2

UV Index

74mm

Monthly rainfall

82%

Humidity

See our full analysis of the Siena weather during January

Weather during February

10

Average high

3

UV Index

86mm

Monthly rainfall

80%

Humidity

See our full analysis of the Siena weather during February

Weather during March

14

Average high

4

UV Index

73mm

Monthly rainfall

77%

Humidity

See our full analysis of the Siena weather during March

Weather during April

18

Average high

4

UV Index

64mm

Monthly rainfall

76%

Humidity

See our full analysis of the Siena weather during April

Weather during May

21

Average high

5

UV Index

91mm

Monthly rainfall

77%

Humidity

See our full analysis of the Siena weather during May

Weather during June

27

Average high

7

UV Index

65mm

Monthly rainfall

70%

Humidity

See our full analysis of the Siena weather during June

Weather during July

31

Average high

7

UV Index

39mm

Monthly rainfall

63%

Humidity

See our full analysis of the Siena weather during July

Weather during August

32

Average high

6

UV Index

37mm

Monthly rainfall

61%

Humidity

See our full analysis of the Siena weather during August

Weather during September

26

Average high

5

UV Index

77mm

Monthly rainfall

71%

Humidity

See our full analysis of the Siena weather during September

Weather during October

20

Average high

4

UV Index

74mm

Monthly rainfall

77%

Humidity

See our full analysis of the Siena weather during October

Weather during November

14

Average high

2

UV Index

99mm

Monthly rainfall

84%

Humidity

See our full analysis of the Siena weather during November

Weather during December

10

Average high

2

UV Index

70mm

Monthly rainfall

83%

Humidity

See our full analysis of the Siena weather during December


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Siena Blog posts

From the UK's most popular travel bloggers

...

14 very best places in Tuscany to visit

31st October 2022 by Hand Luggage Only

Hands down, Tuscany is easily one of the best places in Italy to visit – especially if you love a good mix of historic towns, rolling hills and the most delicious food and vineyards that you can’t miss. Tuscany is totally special and perfect for a road trip around the region, or even a city break! That being said, it can be tough to whittle down a firm list of all the best places in Tuscany to visit as they’re all dotted around this iconic region of Italy. ...

...

10 best things to do in Siena, Italy

20th January 2021 by Hand Luggage Only

Perched within Italy’s gorgeous Tuscany region, the medieval city of Siena is a totally stunning place to visit for a long weekend or part of a wider road trip through Italy’s best cities. With thousands of years of history, there are loads of the best things to do in Siena that are dotted all across this relatively small city. ...

Weather in Siena

Our month-by-month guide to the weather and climate in Siena

8.8

Siena weather in

January
10.4

Siena weather in

February
13.7

Siena weather in

March
17.7

Siena weather in

April
21.2

Siena weather in

May
27.1

Siena weather in

June
31.0

Siena weather in

July
31.5

Siena weather in

August
25.8

Siena weather in

September
20.1

Siena weather in

October
14.3

Siena weather in

November
10.1

Siena weather in

December