Weather World
Mount Jefferson Wilderness Monthly Climate Averages
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 45°F Lo 31°F | Hi 44°F Lo 29°F | Hi 47°F Lo 31°F | Hi 53°F Lo 35°F | Hi 62°F Lo 41°F | Hi 70°F Lo 46°F | Hi 79°F Lo 51°F | Hi 80°F Lo 52°F | Hi 73°F Lo 48°F | Hi 60°F Lo 41°F | Hi 49°F Lo 34°F | Hi 43°F Lo 30°F |
| 6 mph | 5 mph | 5 mph | 5 mph | 4 mph | 4 mph | 4 mph | 4 mph | 4 mph | 5 mph | 5 mph | 5 mph |
| 11.4 in | 12 in | 11.9 in | 8.6 in | 5 in | 3.4 in | 0.4 in | 0.8 in | 3.5 in | 8.7 in | 13.1 in | 17.5 in |
| 85% | 89% | 88% | 82% | 78% | 72% | 64% | 64% | 68% | 75% | 84% | 88% |
| 61% | 68% | 68% | 62% | 52% | 41% | 20% | 22% | 33% | 47% | 62% | 65% |
| 30.1 in | 30.1 in | 30.0 in | 30.1 in | 30.0 in | 30.0 in | 30.0 in | 30.0 in | 30.0 in | 30.0 in | 30.1 in | 30.1 in |
| 12 | 8 | 9 | 13 | 22 | 24 | 30 | 30 | 25 | 21 | 11 | 8 |
| 14 | 14 | 15 | 13 | 9 | 6 | 1 | 1 | 5 | 10 | 15 | 16 |
| 5 | 8 | 7 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 7 |
| 2 | 2 | 3 | 2 | 1 | 1 | 0 | 1 | 1 | 1 | 2 | 2 |
| 2 | 2 | 2 | 2 | 4 | 5 | 5 | 4 | 3 | 2 | 1 | 1 |
| 117 | 82 | 88 | 111 | 155 | 200 | 292 | 301 | 237 | 171 | 112 | 101 |
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 7°C Lo -1°C | Hi 7°C Lo -2°C | Hi 9°C Lo -1°C | Hi 12°C Lo 1°C | Hi 17°C Lo 5°C | Hi 21°C Lo 8°C | Hi 26°C Lo 10°C | Hi 27°C Lo 11°C | Hi 23°C Lo 9°C | Hi 16°C Lo 5°C | Hi 10°C Lo 1°C | Hi 6°C Lo -1°C |
| 9 km/h | 8 km/h | 8 km/h | 8 km/h | 7 km/h | 7 km/h | 6 km/h | 6 km/h | 6 km/h | 7 km/h | 8 km/h | 9 km/h |
| 290 mm | 305 mm | 301 mm | 219 mm | 126 mm | 87 mm | 10 mm | 19 mm | 90 mm | 221 mm | 332 mm | 443 mm |
| 85% | 89% | 88% | 82% | 78% | 72% | 64% | 64% | 68% | 75% | 84% | 88% |
| 61% | 68% | 68% | 62% | 52% | 41% | 20% | 22% | 33% | 47% | 62% | 65% |
| 1021 mb | 1019 mb | 1018 mb | 1018 mb | 1017 mb | 1016 mb | 1016 mb | 1016 mb | 1016 mb | 1016 mb | 1018 mb | 1019 mb |
| 12 | 8 | 9 | 13 | 22 | 24 | 30 | 30 | 25 | 21 | 11 | 8 |
| 14 | 14 | 15 | 13 | 9 | 6 | 1 | 1 | 5 | 10 | 15 | 16 |
| 5 | 8 | 7 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 7 |
| 2 | 2 | 3 | 2 | 1 | 1 | 0 | 1 | 1 | 1 | 2 | 2 |
| 2 | 2 | 2 | 2 | 4 | 5 | 5 | 4 | 3 | 2 | 1 | 1 |
| 117 | 82 | 88 | 111 | 155 | 200 | 292 | 301 | 237 | 171 | 112 | 101 |
| 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.