Weather in Sion in May
Sion temperatures in May range from 10 to 22 and there is an average of 12 days of rain.
Avg Temp
10° - 22°
Avg Rainy Days
12
Avg Dry Days
19
Avg Snow Days
0
Weather Facts - Sion in May
* The warmest temperature recorded in in May is 31°C
* The coldest temperature recorded in Sion in May is 0°C
* The average rainfall in Sion in May is 45 mm