Monthly Historical AveragesSion, VS

Average Temperature
High
10°
Feels 8
Low
0°
Feels -2
Average Precipitation
19 Days
Rain amount
187.4mm
Snow amount
13.5cm
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Daily Historical Averages

S
M
T
W
T
F
S
ForecastMonday, May 18, 2026
Day
Cloudy with showers
18°Feels 18
Wind
24 km/h W
Gust
36 km/h
Humidity
64%
P.O.P
80%
Rain
1-3 mm
Night
Chance of a shower
7°Feels 7
Wind
18 km/h S
Gust
27 km/h
Humidity
92%
P.O.P
40%
Rain
~1 mm
Historical AveragesMay 18
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.
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