Annual Weather Averages in Sion
Based on weather reports collected during 1992–2021.
All Year Climate & Weather Averages in Sion
High Temp: 27 °C
Low Temp: -3 °C
Mean Temp: 11 °C
Precipitation: 50.1 mm
Humidity: 67%
Dew Point: 5 °C
Wind: 15 km/h
Pressure: 1018 mbar
Visibility: 13 km
一月 Climate & Weather Averages in Sion
High Temp: 5 °C
Low Temp: -3 °C
Mean Temp: 1 °C
Precipitation: 60.2 mm
Humidity: 77%
Dew Point: -3 °C
Wind: 10 km/h
Pressure: 1022 mbar
Visibility: 12 km
二月 Climate & Weather Averages in Sion
High Temp: 8 °C
Low Temp: -2 °C
Mean Temp: 3 °C
Precipitation: 41.1 mm
Humidity: 69%
Dew Point: -3 °C
Wind: 12 km/h
Pressure: 1021 mbar
Visibility: 12 km
三月 Climate & Weather Averages in Sion
High Temp: 14 °C
Low Temp: 2 °C
Mean Temp: 8 °C
Precipitation: 35.8 mm
Humidity: 60%
Dew Point: 0 °C
Wind: 17 km/h
Pressure: 1018 mbar
Visibility: 13 km
四月 Climate & Weather Averages in Sion
High Temp: 18 °C
Low Temp: 5 °C
Mean Temp: 12 °C
Precipitation: 34.0 mm
Humidity: 56%
Dew Point: 3 °C
Wind: 19 km/h
Pressure: 1014 mbar
Visibility: 13 km
五月 Climate & Weather Averages in Sion
High Temp: 22 °C
Low Temp: 9 °C
Mean Temp: 16 °C
Precipitation: 55.2 mm
Humidity: 60%
Dew Point: 8 °C
Wind: 19 km/h
Pressure: 1015 mbar
Visibility: 13 km
六月 Climate & Weather Averages in Sion
High Temp: 26 °C
Low Temp: 13 °C
Mean Temp: 19 °C
Precipitation: 48.2 mm
Humidity: 60%
Dew Point: 11 °C
Wind: 20 km/h
Pressure: 1015 mbar
Visibility: 14 km
七月 Climate & Weather Averages in Sion
High Temp: 27 °C
Low Temp: 14 °C
Mean Temp: 21 °C
Precipitation: 64.8 mm
Humidity: 61%
Dew Point: 13 °C
Wind: 19 km/h
Pressure: 1015 mbar
Visibility: 14 km
八月 Climate & Weather Averages in Sion
High Temp: 26 °C
Low Temp: 14 °C
Mean Temp: 20 °C
Precipitation: 61.3 mm
Humidity: 65%
Dew Point: 13 °C
Wind: 17 km/h
Pressure: 1016 mbar
Visibility: 13 km
九月 Climate & Weather Averages in Sion
High Temp: 22 °C
Low Temp: 10 °C
Mean Temp: 16 °C
Precipitation: 38.1 mm
Humidity: 69%
Dew Point: 10 °C
Wind: 16 km/h
Pressure: 1017 mbar
Visibility: 13 km
十月 Climate & Weather Averages in Sion
High Temp: 17 °C
Low Temp: 6 °C
Mean Temp: 12 °C
Precipitation: 42.2 mm
Humidity: 73%
Dew Point: 6 °C
Wind: 12 km/h
Pressure: 1018 mbar
Visibility: 13 km
十一月 Climate & Weather Averages in Sion
High Temp: 10 °C
Low Temp: 1 °C
Mean Temp: 6 °C
Precipitation: 49.3 mm
Humidity: 76%
Dew Point: 1 °C
Wind: 10 km/h
Pressure: 1019 mbar
Visibility: 13 km
十二月 Climate & Weather Averages in Sion
High Temp: 5 °C
Low Temp: -2 °C
Mean Temp: 1 °C
Precipitation: 70.6 mm
Humidity: 80%
Dew Point: -2 °C
Wind: 9 km/h
Pressure: 1022 mbar
Visibility: 12 km