Sion: detailed information
Historical Weather Data
The maximum air temperature in Sion for this day for the last 72 years of observations is +23.25°C, recorded in 2013.
An absolute minimum of -15.78°C was recorded in 2003. The average temperature for this day is +15.25°C.
The heaviest rainfall (26.8 mm) in Sion was recorded in 2004. The maximum wind gusts were up to 17.07 m/s in 1998.