Climate Sion - Switzerland
| Jan | Feb | Mar | Apr | May | June | |
|---|---|---|---|---|---|---|
| Average high in °C | 4 | 7 | 11 | 16 | 20 | 23 |
| Average low in °C | -4 | -2 | 1 | 4 | 8 | 11 |
| Av. precipitation - mm | 53 | 57 | 48 | 36 | 41 | 52 |
| Days with precip. | 7 | 6 | 7 | 6 | 7 | 8 |
| Hours of sunshine | 70 | 109 | 160 | 191 | 208 | 231 |
| July | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|
| Average high in °C | 26 | 24 | 21 | 16 | 9 | 4 |
| Average low in °C | 13 | 12 | 9 | 5 | -0 | -3 |
| Av. precipitation - mm | 48 | 55 | 38 | 50 | 60 | 61 |
| Days with precip. | 8 | 8 | 6 | 6 | 7 | 7 |
| Hours of sunshine | 270 | 238 | 203 | 157 | 92 | 63 |
Climate chart Sion - Valais
Totals and averages
| Annual average high temperature: | 15.1 °C |
| Annual average low temperature: | 4.3 °C |
| Average temperature: | 9.7 °C |
| Average annual precipitation: | 599 mm |
| Days per year with precipitation: | 83 d. |
| Average annual hours of sunshine: | 1992 h. |