Weather World
Washington Valley Reservoir Monthly Climate Averages
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 36°F Lo 25°F | Hi 40°F Lo 26°F | Hi 49°F Lo 33°F | Hi 60°F Lo 43°F | Hi 70°F Lo 53°F | Hi 79°F Lo 62°F | Hi 86°F Lo 68°F | Hi 83°F Lo 66°F | Hi 76°F Lo 60°F | Hi 64°F Lo 50°F | Hi 52°F Lo 38°F | Hi 42°F Lo 31°F |
| 8 mph | 8 mph | 8 mph | 8 mph | 7 mph | 6 mph | 5 mph | 5 mph | 6 mph | 7 mph | 7 mph | 8 mph |
| 3.8 in | 4.4 in | 4.8 in | 4.9 in | 5.8 in | 4.9 in | 5.4 in | 5 in | 4.9 in | 5.1 in | 3.8 in | 5.9 in |
| 73% | 76% | 72% | 70% | 75% | 73% | 72% | 71% | 73% | 74% | 71% | 76% |
| 45% | 49% | 47% | 48% | 47% | 40% | 37% | 37% | 40% | 41% | 37% | 48% |
| 30.1 in | 30.1 in | 30.0 in | 30.0 in | 30.0 in | 29.9 in | 30.0 in | 30.0 in | 30.1 in | 30.0 in | 30.1 in | 30.1 in |
| 20 | 17 | 22 | 22 | 22 | 21 | 21 | 23 | 23 | 25 | 24 | 21 |
| 7 | 7 | 7 | 8 | 9 | 9 | 10 | 8 | 7 | 6 | 6 | 7 |
| 4 | 4 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 |
| 1 | 1 | 1 | 0 | 1 | 1 | 1 | 1 | 0 | 1 | 1 | 1 |
| 1 | 2 | 2 | 3 | 5 | 6 | 6 | 6 | 4 | 3 | 2 | 1 |
| 171 | 145 | 162 | 155 | 173 | 196 | 215 | 215 | 193 | 181 | 200 | 162 |
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 2°C Lo -4°C | Hi 4°C Lo -4°C | Hi 9°C Lo 1°C | Hi 16°C Lo 6°C | Hi 21°C Lo 12°C | Hi 26°C Lo 16°C | Hi 30°C Lo 20°C | Hi 28°C Lo 19°C | Hi 25°C Lo 16°C | Hi 18°C Lo 10°C | Hi 11°C Lo 4°C | Hi 6°C Lo -1°C |
| 13 km/h | 13 km/h | 14 km/h | 13 km/h | 11 km/h | 10 km/h | 9 km/h | 9 km/h | 10 km/h | 11 km/h | 12 km/h | 12 km/h |
| 97 mm | 113 mm | 122 mm | 123 mm | 146 mm | 125 mm | 136 mm | 128 mm | 125 mm | 129 mm | 96 mm | 151 mm |
| 73% | 76% | 72% | 70% | 75% | 73% | 72% | 71% | 73% | 74% | 71% | 76% |
| 45% | 49% | 47% | 48% | 47% | 40% | 37% | 37% | 40% | 41% | 37% | 48% |
| 1018 mb | 1018 mb | 1018 mb | 1016 mb | 1016 mb | 1014 mb | 1015 mb | 1016 mb | 1018 mb | 1017 mb | 1019 mb | 1019 mb |
| 20 | 17 | 22 | 22 | 22 | 21 | 21 | 23 | 23 | 25 | 24 | 21 |
| 7 | 7 | 7 | 8 | 9 | 9 | 10 | 8 | 7 | 6 | 6 | 7 |
| 4 | 4 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 |
| 1 | 1 | 1 | 0 | 1 | 1 | 1 | 1 | 0 | 1 | 1 | 1 |
| 1 | 2 | 2 | 3 | 5 | 6 | 6 | 6 | 4 | 3 | 2 | 1 |
| 171 | 145 | 162 | 155 | 173 | 196 | 215 | 215 | 193 | 181 | 200 | 162 |
| 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.