Annual Weather Averages in Volterra
Volterra is 24 miles from Siena, so the actual climate in Siena can vary a bit.
Based on weather reports collected during 1992–2021.
All Year Climate & Weather Averages in Siena
High Temp: 86 °F
Low Temp: 37 °F
Mean Temp: 59 °F
Precipitation: 2.79"
Humidity: 77%
Dew Point: 51 °F
Wind: 11 mph
Pressure: 30.00 "Hg
Visibility: 6 mi
January Climate & Weather Averages in Siena
High Temp: 53 °F
Low Temp: 37 °F
Mean Temp: 45 °F
Precipitation: 3.09"
Humidity: 81%
Dew Point: 38 °F
Wind: 11 mph
Pressure: 30.08 "Hg
Visibility: 6 mi
February Climate & Weather Averages in Siena
High Temp: 55 °F
Low Temp: 38 °F
Mean Temp: 46 °F
Precipitation: 2.48"
Humidity: 77%
Dew Point: 38 °F
Wind: 12 mph
Pressure: 30.05 "Hg
Visibility: 6 mi
March Climate & Weather Averages in Siena
High Temp: 60 °F
Low Temp: 41 °F
Mean Temp: 51 °F
Precipitation: 2.48"
Humidity: 75%
Dew Point: 42 °F
Wind: 12 mph
Pressure: 30.01 "Hg
Visibility: 6 mi
April Climate & Weather Averages in Siena
High Temp: 65 °F
Low Temp: 46 °F
Mean Temp: 56 °F
Precipitation: 2.39"
Humidity: 77%
Dew Point: 47 °F
Wind: 12 mph
Pressure: 29.94 "Hg
Visibility: 6 mi
May Climate & Weather Averages in Siena
High Temp: 73 °F
Low Temp: 53 °F
Mean Temp: 63 °F
Precipitation: 2.24"
Humidity: 77%
Dew Point: 54 °F
Wind: 11 mph
Pressure: 29.97 "Hg
Visibility: 6 mi
June Climate & Weather Averages in Siena
High Temp: 81 °F
Low Temp: 60 °F
Mean Temp: 70 °F
Precipitation: 1.50"
Humidity: 74%
Dew Point: 61 °F
Wind: 11 mph
Pressure: 29.98 "Hg
Visibility: 7 mi
July Climate & Weather Averages in Siena
High Temp: 86 °F
Low Temp: 64 °F
Mean Temp: 75 °F
Precipitation: 0.98"
Humidity: 72%
Dew Point: 64 °F
Wind: 11 mph
Pressure: 29.96 "Hg
Visibility: 7 mi
August Climate & Weather Averages in Siena
High Temp: 86 °F
Low Temp: 65 °F
Mean Temp: 76 °F
Precipitation: 1.76"
Humidity: 73%
Dew Point: 65 °F
Wind: 11 mph
Pressure: 29.96 "Hg
Visibility: 7 mi
September Climate & Weather Averages in Siena
High Temp: 79 °F
Low Temp: 59 °F
Mean Temp: 69 °F
Precipitation: 3.25"
Humidity: 75%
Dew Point: 59 °F
Wind: 11 mph
Pressure: 29.99 "Hg
Visibility: 7 mi
October Climate & Weather Averages in Siena
High Temp: 71 °F
Low Temp: 53 °F
Mean Temp: 62 °F
Precipitation: 4.40"
Humidity: 80%
Dew Point: 54 °F
Wind: 11 mph
Pressure: 30.03 "Hg
Visibility: 6 mi
November Climate & Weather Averages in Siena
High Temp: 61 °F
Low Temp: 46 °F
Mean Temp: 54 °F
Precipitation: 5.15"
Humidity: 83%
Dew Point: 47 °F
Wind: 12 mph
Pressure: 30.00 "Hg
Visibility: 6 mi
December Climate & Weather Averages in Siena
High Temp: 54 °F
Low Temp: 39 °F
Mean Temp: 47 °F
Precipitation: 3.74"
Humidity: 82%
Dew Point: 40 °F
Wind: 12 mph
Pressure: 30.06 "Hg
Visibility: 6 mi