Weather World
Williams School Monthly Climate Averages
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 30°F Lo 17°F | Hi 33°F Lo 18°F | Hi 43°F Lo 26°F | Hi 55°F Lo 36°F | Hi 67°F Lo 47°F | Hi 75°F Lo 55°F | Hi 81°F Lo 60°F | Hi 78°F Lo 58°F | Hi 71°F Lo 52°F | Hi 59°F Lo 42°F | Hi 46°F Lo 31°F | Hi 36°F Lo 24°F |
| 9 mph | 9 mph | 9 mph | 9 mph | 7 mph | 7 mph | 6 mph | 6 mph | 6 mph | 7 mph | 9 mph | 9 mph |
| 2.2 in | 2.7 in | 3.4 in | 4.6 in | 4.8 in | 5.2 in | 4.3 in | 4.4 in | 4.3 in | 4.5 in | 2.6 in | 3.7 in |
| 84% | 84% | 80% | 78% | 79% | 78% | 78% | 79% | 80% | 81% | 80% | 84% |
| 70% | 69% | 63% | 57% | 50% | 44% | 40% | 41% | 44% | 51% | 53% | 68% |
| 30.1 in | 30.1 in | 30.1 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 |
| 16 | 13 | 18 | 18 | 21 | 21 | 21 | 22 | 23 | 23 | 20 | 15 |
| 10 | 10 | 9 | 11 | 10 | 9 | 10 | 9 | 7 | 8 | 7 | 10 |
| 5 | 6 | 4 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 6 |
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 3 | 1 | 1 | 1 |
| 1 | 1 | 2 | 3 | 4 | 5 | 5 | 5 | 3 | 2 | 1 | 1 |
| 68 | 66 | 103 | 121 | 158 | 180 | 203 | 196 | 178 | 135 | 133 | 74 |
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi -1°C Lo -9°C | Hi 1°C Lo -8°C | Hi 6°C Lo -3°C | Hi 13°C Lo 2°C | Hi 19°C Lo 8°C | Hi 24°C Lo 13°C | Hi 27°C Lo 16°C | Hi 26°C Lo 15°C | Hi 22°C Lo 11°C | Hi 15°C Lo 6°C | Hi 8°C Lo -0°C | Hi 2°C Lo -4°C |
| 15 km/h | 14 km/h | 15 km/h | 14 km/h | 12 km/h | 11 km/h | 9 km/h | 9 km/h | 10 km/h | 12 km/h | 14 km/h | 14 km/h |
| 57 mm | 69 mm | 87 mm | 117 mm | 122 mm | 131 mm | 110 mm | 111 mm | 108 mm | 115 mm | 65 mm | 93 mm |
| 84% | 84% | 80% | 78% | 79% | 78% | 78% | 79% | 80% | 81% | 80% | 84% |
| 70% | 69% | 63% | 57% | 50% | 44% | 40% | 41% | 44% | 51% | 53% | 68% |
| 1018 mb | 1018 mb | 1018 mb | 1016 mb | 1016 mb | 1014 mb | 1015 mb | 1016 mb | 1018 mb | 1017 mb | 1019 mb | 1019 mb |
| 16 | 13 | 18 | 18 | 21 | 21 | 21 | 22 | 23 | 23 | 20 | 15 |
| 10 | 10 | 9 | 11 | 10 | 9 | 10 | 9 | 7 | 8 | 7 | 10 |
| 5 | 6 | 4 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 6 |
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 3 | 1 | 1 | 1 |
| 1 | 1 | 2 | 3 | 4 | 5 | 5 | 5 | 3 | 2 | 1 | 1 |
| 68 | 66 | 103 | 121 | 158 | 180 | 203 | 196 | 178 | 135 | 133 | 74 |
| 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.