Weather World
Williamsville School Monthly Climate Averages
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 35°F Lo 20°F | Hi 40°F Lo 23°F | Hi 54°F Lo 36°F | Hi 64°F Lo 44°F | Hi 73°F Lo 55°F | Hi 84°F Lo 66°F | Hi 87°F Lo 68°F | Hi 86°F Lo 66°F | Hi 81°F Lo 60°F | Hi 67°F Lo 48°F | Hi 53°F Lo 36°F | Hi 40°F Lo 26°F |
| 10 mph | 10 mph | 11 mph | 11 mph | 9 mph | 9 mph | 7 mph | 8 mph | 9 mph | 10 mph | 10 mph | 10 mph |
| 1.7 in | 1.3 in | 3.5 in | 4.8 in | 6.4 in | 6.9 in | 5.9 in | 4.8 in | 3.8 in | 2.9 in | 2.5 in | 1.9 in |
| 76% | 73% | 69% | 68% | 74% | 75% | 75% | 72% | 67% | 62% | 66% | 72% |
| 45% | 44% | 45% | 42% | 42% | 30% | 28% | 29% | 27% | 31% | 32% | 42% |
| 30.2 in | 30.1 in | 30.0 in | 29.9 in | 29.9 in | 29.9 in | 29.9 in | 29.9 in | 30.0 in | 30.0 in | 30.1 in | 30.1 in |
| 24 | 21 | 24 | 23 | 23 | 23 | 24 | 25 | 25 | 26 | 26 | 25 |
| 4 | 5 | 5 | 7 | 8 | 7 | 7 | 6 | 5 | 4 | 4 | 4 |
| 3 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 |
| 1 | 1 | 1 | 0 | 0 | 1 | 1 | 1 | 1 | 0 | 1 | 2 |
| 2 | 2 | 3 | 4 | 5 | 6 | 6 | 6 | 5 | 3 | 2 | 2 |
| 179 | 166 | 177 | 179 | 171 | 215 | 234 | 249 | 249 | 231 | 228 | 197 |
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 2°C Lo -7°C | Hi 4°C Lo -5°C | Hi 12°C Lo 2°C | Hi 18°C Lo 7°C | Hi 23°C Lo 13°C | Hi 29°C Lo 19°C | Hi 31°C Lo 20°C | Hi 30°C Lo 19°C | Hi 27°C Lo 15°C | Hi 19°C Lo 9°C | Hi 12°C Lo 2°C | Hi 5°C Lo -3°C |
| 16 km/h | 16 km/h | 18 km/h | 18 km/h | 15 km/h | 14 km/h | 12 km/h | 12 km/h | 14 km/h | 16 km/h | 16 km/h | 16 km/h |
| 42 mm | 34 mm | 89 mm | 121 mm | 161 mm | 174 mm | 149 mm | 122 mm | 96 mm | 75 mm | 64 mm | 47 mm |
| 76% | 73% | 69% | 68% | 74% | 75% | 75% | 72% | 67% | 62% | 66% | 72% |
| 45% | 44% | 45% | 42% | 42% | 30% | 28% | 29% | 27% | 31% | 32% | 42% |
| 1022 mb | 1020 mb | 1016 mb | 1013 mb | 1013 mb | 1012 mb | 1014 mb | 1014 mb | 1015 mb | 1016 mb | 1019 mb | 1020 mb |
| 24 | 21 | 24 | 23 | 23 | 23 | 24 | 25 | 25 | 26 | 26 | 25 |
| 4 | 5 | 5 | 7 | 8 | 7 | 7 | 6 | 5 | 4 | 4 | 4 |
| 3 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 |
| 1 | 1 | 1 | 0 | 0 | 1 | 1 | 1 | 1 | 0 | 1 | 2 |
| 2 | 2 | 3 | 4 | 5 | 6 | 6 | 6 | 5 | 3 | 2 | 2 |
| 179 | 166 | 177 | 179 | 171 | 215 | 234 | 249 | 249 | 231 | 228 | 197 |
| 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.