WeatherWX.com
Williamsville Monthly Climate Averages
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 43°F Lo 29°F | Hi 47°F Lo 31°F | Hi 58°F Lo 41°F | Hi 67°F Lo 49°F | Hi 77°F Lo 59°F | Hi 86°F Lo 68°F | Hi 89°F Lo 71°F | Hi 88°F Lo 69°F | Hi 82°F Lo 63°F | Hi 70°F Lo 52°F | Hi 56°F Lo 41°F | Hi 48°F Lo 34°F |
| 8 mph | 8 mph | 8 mph | 8 mph | 7 mph | 6 mph | 6 mph | 5 mph | 6 mph | 7 mph | 8 mph | 8 mph |
| 1.7 in | 1.7 in | 2.4 in | 2.9 in | 2.5 in | 1.5 in | 1.5 in | 1.4 in | 1.2 in | 1.8 in | 1.7 in | 1.7 in |
| 74% | 76% | 78% | 76% | 78% | 75% | 75% | 75% | 71% | 68% | 71% | 76% |
| 45% | 47% | 47% | 41% | 38% | 28% | 30% | 30% | 29% | 31% | 34% | 45% |
| 30.2 in | 30.1 in | 30.1 in | 30.0 in | 30.0 in | 29.9 in | 30.0 in | 30.0 in | 30.0 in | 30.0 in | 30.1 in | 30.1 in |
| 24 | 20 | 23 | 22 | 22 | 23 | 25 | 24 | 25 | 25 | 24 | 24 |
| 6 | 6 | 8 | 8 | 9 | 7 | 6 | 7 | 5 | 6 | 6 | 6 |
| 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2 | 2 | 3 | 4 | 6 | 6 | 6 | 6 | 5 | 3 | 3 | 2 |
| 61 | 52 | 54 | 61 | 64 | 81 | 81 | 83 | 79 | 78 | 72 | 60 |
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 6°C Lo -2°C | Hi 8°C Lo -0°C | Hi 14°C Lo 5°C | Hi 20°C Lo 10°C | Hi 25°C Lo 15°C | Hi 30°C Lo 20°C | Hi 32°C Lo 22°C | Hi 31°C Lo 21°C | Hi 28°C Lo 17°C | Hi 21°C Lo 11°C | Hi 14°C Lo 5°C | Hi 9°C Lo 1°C |
| 13 km/h | 14 km/h | 14 km/h | 13 km/h | 12 km/h | 10 km/h | 9 km/h | 9 km/h | 9 km/h | 12 km/h | 12 km/h | 12 km/h |
| 42 mm | 44 mm | 60 mm | 74 mm | 64 mm | 37 mm | 38 mm | 34 mm | 31 mm | 47 mm | 43 mm | 43 mm |
| 74% | 76% | 78% | 76% | 78% | 75% | 75% | 75% | 71% | 68% | 71% | 76% |
| 45% | 47% | 47% | 41% | 38% | 28% | 30% | 30% | 29% | 31% | 34% | 45% |
| 1021 mb | 1020 mb | 1018 mb | 1015 mb | 1015 mb | 1014 mb | 1015 mb | 1015 mb | 1016 mb | 1017 mb | 1021 mb | 1020 mb |
| 24 | 20 | 23 | 22 | 22 | 23 | 25 | 24 | 25 | 25 | 24 | 24 |
| 6 | 6 | 8 | 8 | 9 | 7 | 6 | 7 | 5 | 6 | 6 | 6 |
| 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2 | 2 | 3 | 4 | 6 | 6 | 6 | 6 | 5 | 3 | 3 | 2 |
| 61 | 52 | 54 | 61 | 64 | 81 | 81 | 83 | 79 | 78 | 72 | 60 |
| 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.