Wilson, New York has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 5.5 °C (low) to 13.7 °C (high). Annual precipitation averages 848.1 Millimeters. Wilson is located in USDA Plant Hardiness Zone 6b. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -6.4 °C | 0.6 °C | 55.12 mm |
| February | -5.9 °C | 1.5 °C | 43.43 mm |
| March | -2.8 °C | 5.4 °C | 58.17 mm |
| April | 2.5 °C | 11.6 °C | 74.68 mm |
| May | 8.3 °C | 18.4 °C | 73.66 mm |
| June | 14.4 °C | 23.7 °C | 73.15 mm |
| July | 17.8 °C | 26.6 °C | 79.76 mm |
| August | 17.2 °C | 25.9 °C | 80.01 mm |
| September | 13.5 °C | 22.4 °C | 85.85 mm |
| October | 7.4 °C | 15.4 °C | 82.3 mm |
| November | 2.1 °C | 9.3 °C | 73.66 mm |
| December | -2.7 °C | 3.6 °C | 68.33 mm |
| Annual | 5.5 °C | 13.7 °C | 848.12 mm |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 6b : -20.6°C to -17.8°C |
| Plant Hardiness Zone - 2012 | Zone 6b : -20.6°C to -17.8°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |