This page presents a long range weather forecast for Sion in May as well as other months. You can quickly get a brief overview of the weather to expect in May on a daily basis.
The Sion extended forecast data provided is based on the average values of previous years.
Long range weather forecast
Select a month and click on a day for more information:
Wednesday
May 1
7° / -1°
Thursday
May 2
5° / 0°
Friday
May 3
6° / -1°
Saturday
May 4
7° / -2°
Sunday
May 5
7° / 0°
Monday
May 6
8° / 0°
Tuesday
May 7
3° / 2°
Wednesday
May 8
5° / 1°
Thursday
May 9
13° / -1°
Friday
May 10
16° / 2°
Saturday
May 11
17° / 5°
Sunday
May 12
16° / 6°
Monday
May 13
17° / 6°
Tuesday
May 14
16° / 5°
Wednesday
May 15
15° / 7°
Thursday
May 16
18° / 5°
Friday
May 17
19° / 7°
Saturday
May 18
16° / 9°
Sunday
May 19
20° / 8°
Monday
May 20
18° / 8°
Tuesday
May 21
14° / 4°
Wednesday
May 22
14° / 4°
Thursday
May 23
14° / 3°
Friday
May 24
10° / 4°
Saturday
May 25
12° / 3°
Sunday
May 26
14° / 2°
Monday
May 27
14° / 4°
Tuesday
May 28
13° / 3°
Wednesday
May 29
13° / 3°
Thursday
May 30
12° / 3°
Friday
May 31
13° / 3°
Sion 30 days weather forecast
Check out our estimated 30 days weather forecast for Sion, this data is based on the average weather in Sion in the last few years.
For a more accurate and detailed forecast, check out the 14 day weather for Sion next to the desired date.