By knowing how cold, mild, warm, or hot the weather in Sion, you will find it easier to plan your days.
Our 14 day weather forecast for Sion becomes more accurate the closer to the date of your visit, so always be sure to check in frequently for any weather updates.
| Date | Temperatures | Wind | |||
|---|---|---|---|---|---|
| Wednesday, May 6 | 5 ° / -1 ° |  | Moderate rain | 4 Km/h | |
| Thursday, May 7 | 9 ° / -2 ° |  | Patchy light rain with thunder | 4 Km/h | |
| Friday, May 8 | 12 ° / 0 ° | | Patchy light rain with thunder | 3 Km/h | |
| Saturday, May 9 | 15 ° / 4 ° |  | Patchy rain possible | 5 Km/h | |
| Sunday, May 10 | 10 ° / 4 ° |  | Light rain shower | 4 Km/h | |
| Monday, May 11 | 12 ° / 3 ° | | Patchy light rain with thunder | 2 Km/h | |
| Tuesday, May 12 | 13 ° / 3 ° | | Patchy light rain with thunder | 10 Km/h | |
| Wednesday, May 13 | 9 ° / -2 ° | | Patchy light rain with thunder | 9 Km/h | |
| Thursday, May 14 | 5 ° / -2 ° | | Patchy light rain with thunder | 5 Km/h | |
| Friday, May 15 | 7 ° / -1 ° | | Light rain shower | 5 Km/h | |
| Saturday, May 16 | 6 ° / 1 ° | | Patchy light rain with thunder | 3 Km/h | |
| Sunday, May 17 | 3 ° / 0 ° | | Light rain | 5 Km/h | |
| Monday, May 18 | 5 ° / 0 ° | | Light rain shower | 5 Km/h | |
| Tuesday, May 19 | 5 ° / 1 ° | | Light rain shower | 4 Km/h | |
| Further Ahead | |||||
