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Current
Hourly
7 Days
14 Days
Weekend
Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Sion, VS
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May
Average Temperature
High
10°
Feels 8
Low
0°
Feels -2
Average Precipitation
19 Days
Rain amount
190mm
Snow amount
14.3cm
Content continues below
Daily Historical Averages
May 2026
S
M
T
W
T
F
S
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
15°
17
19°
18
18°
19
19°
20
22°
21
25°
22
27°
23
27°
24
27°
25
27°
26
26°
27
26°
28
27°
29
27°
30
27°
31
Forecast
Saturday, May 16, 2026
Day
15°
Feels 13
Wind
24 km/h W
Gust
37 km/h
Humidity
41%
P.O.P
80%
Rain
1-3 mm
Night
2°
Feels 1
Wind
22 km/h W
Gust
33 km/h
Humidity
84%
P.O.P
20%
Historical Averages
May 16
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.