Weather World
Sion Monthly Climate Averages
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 32°F Lo 17°F | Hi 36°F Lo 20°F | Hi 41°F Lo 26°F | Hi 49°F Lo 34°F | Hi 56°F Lo 41°F | Hi 67°F Lo 49°F | Hi 70°F Lo 53°F | Hi 70°F Lo 52°F | Hi 62°F Lo 45°F | Hi 54°F Lo 38°F | Hi 43°F Lo 29°F | Hi 34°F Lo 20°F |
| 4 mph | 4 mph | 4 mph | 4 mph | 4 mph | 4 mph | 4 mph | 4 mph | 4 mph | 4 mph | 4 mph | 4 mph |
| 6.2 in | 4.5 in | 4.5 in | 4.8 in | 8.7 in | 7.3 in | 7.7 in | 7.2 in | 5.1 in | 4.8 in | 6.1 in | 6.9 in |
| 87% | 87% | 87% | 84% | 84% | 79% | 76% | 76% | 80% | 79% | 84% | 85% |
| 50% | 50% | 51% | 51% | 56% | 49% | 43% | 41% | 43% | 39% | 47% | 48% |
| 30.1 in | 30.1 in | 30.0 in | 30.0 in | 30.0 in | 30.0 in | 30.0 in | 30.1 in | 30.1 in | 30.1 in | 30.0 in | 30.1 in |
| 8 | 9 | 13 | 15 | 14 | 16 | 18 | 20 | 20 | 21 | 13 | 9 |
| 14 | 11 | 12 | 12 | 16 | 14 | 13 | 11 | 10 | 9 | 11 | 14 |
| 10 | 9 | 7 | 3 | 1 | 0 | 0 | 0 | 0 | 1 | 6 | 10 |
| 1 | 1 | 1 | 0 | 1 | 0 | 1 | 0 | 1 | 1 | 1 | 1 |
| 1 | 1 | 2 | 2 | 3 | 4 | 4 | 4 | 3 | 2 | 1 | 1 |
| 151 | 124 | 148 | 152 | 127 | 161 | 183 | 209 | 195 | 210 | 171 | 163 |
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 0°C Lo -8°C | Hi 2°C Lo -6°C | Hi 5°C Lo -4°C | Hi 9°C Lo 1°C | Hi 13°C Lo 5°C | Hi 19°C Lo 10°C | Hi 21°C Lo 11°C | Hi 21°C Lo 11°C | Hi 17°C Lo 7°C | Hi 12°C Lo 4°C | Hi 6°C Lo -2°C | Hi 1°C Lo -6°C |
| 7 km/h | 7 km/h | 7 km/h | 7 km/h | 6 km/h | 6 km/h | 6 km/h | 6 km/h | 6 km/h | 6 km/h | 7 km/h | 7 km/h |
| 157 mm | 114 mm | 114 mm | 122 mm | 220 mm | 185 mm | 196 mm | 182 mm | 129 mm | 121 mm | 154 mm | 174 mm |
| 87% | 87% | 87% | 84% | 84% | 79% | 76% | 76% | 80% | 79% | 84% | 85% |
| 50% | 50% | 51% | 51% | 56% | 49% | 43% | 41% | 43% | 39% | 47% | 48% |
| 1020 mb | 1019 mb | 1017 mb | 1016 mb | 1016 mb | 1017 mb | 1017 mb | 1018 mb | 1018 mb | 1019 mb | 1017 mb | 1021 mb |
| 8 | 9 | 13 | 15 | 14 | 16 | 18 | 20 | 20 | 21 | 13 | 9 |
| 14 | 11 | 12 | 12 | 16 | 14 | 13 | 11 | 10 | 9 | 11 | 14 |
| 10 | 9 | 7 | 3 | 1 | 0 | 0 | 0 | 0 | 1 | 6 | 10 |
| 1 | 1 | 1 | 0 | 1 | 0 | 1 | 0 | 1 | 1 | 1 | 1 |
| 1 | 1 | 2 | 2 | 3 | 4 | 4 | 4 | 3 | 2 | 1 | 1 |
| 151 | 124 | 148 | 152 | 127 | 161 | 183 | 209 | 195 | 210 | 171 | 163 |
| Month |
| Avg. Temperatures |
| Avg. Wind Speed |
| Avg. Precipitation |
| Average Humidity |
| Avg. Cloud Cover |
| Pressure Average |
| Average Dry Days |
| Avg. Precip. Days |
| Avg. Snow Days |
| Average Fog Days |
| Average UV Index |
| Avg. Hours of Sun |
Averages are based on historical weather data from the past 10 years.