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When to Visit Siena

Climate guide & best times to travel

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Monthly Climate Data for Siena Average temperature and rainfall by month Climate Overview -2°C 7°C 16°C 25°C 35°C Rainfall (mm) 0 62 124 Jan Jan: 9.0°C high, 3.0°C low, 53mm rain Feb Feb: 11.0°C high, 3.0°C low, 61mm rain Mar Mar: 14.0°C high, 5.0°C low, 58mm rain Apr Apr: 18.0°C high, 7.0°C low, 71mm rain May May: 22.0°C high, 11.0°C low, 71mm rain Jun Jun: 27.0°C high, 15.0°C low, 51mm rain Jul Jul: 30.0°C high, 17.0°C low, 28mm rain Aug Aug: 30.0°C high, 18.0°C low, 38mm rain Sep Sep: 25.0°C high, 14.0°C low, 81mm rain Oct Oct: 19.0°C high, 11.0°C low, 107mm rain Nov Nov: 14.0°C high, 7.0°C low, 124mm rain Dec Dec: 10.0°C high, 3.0°C low, 76mm rain Temperature Rainfall

Siena offers varied climate throughout the year. Check the monthly details below for specific travel recommendations and weather patterns.

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