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Siena — weather December

9.6°C Daytime temperatures 4.7°C Night temperatures 13 Sunny days 9-9.2 Sun (hours) 3 Rainy days 49.2 mm Precipitation 0°C water temperature
Air temperature
2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012
The maximum daily temperature 16.5°C — 31 December 2021.
The maximum night temperature 12.5°C — 10 December 2022.
The minimum daily temperature -1°C — 31 December 2014.
The minimum night temperature -2.5°C — 30 December 2014.
Sunny, cloudy and gloomy days
Precipitation, mm
Maximum precipitation 70.3 mm — November. Minimum precipitation 28.9 mm — August.
Wind speed, km / h
Maximum wind speed 11.1 km / h — March. Minimum wind speed 7.8 km / h — December.
Number of hours of sunshine
The maximum number of hours of sunshine per day 13 h. — July. The minimum number of hours of sunshine per day 5.1 h. — December.
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