Wilson, Kansas has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 5.8 °C (low) to 19.5 °C (high). Annual precipitation averages 711 Millimeters. Wilson is located in USDA Plant Hardiness Zone 6b. The growing season typically runs from the last frost around Apr. 11 - Apr. 20 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -7.4 °C | 5.3 °C | 16.51 mm |
| February | -5.8 °C | 7.8 °C | 24.64 mm |
| March | -0.7 °C | 13.8 °C | 37.08 mm |
| April | 4.4 °C | 19.1 °C | 58.17 mm |
| May | 10.9 °C | 24.3 °C | 111.25 mm |
| June | 17.1 °C | 30.6 °C | 92.46 mm |
| July | 19.6 °C | 33.4 °C | 101.35 mm |
| August | 18.3 °C | 32.1 °C | 102.11 mm |
| September | 13.6 °C | 27.7 °C | 60.96 mm |
| October | 6.2 °C | 20.8 °C | 52.58 mm |
| November | -0.8 °C | 12.9 °C | 29.46 mm |
| December | -5.8 °C | 6.3 °C | 24.38 mm |
| Annual | 5.8 °C | 19.5 °C | 710.95 mm |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 6b : -20.6°C to -17.8°C |
| Plant Hardiness Zone - 2012 | Zone 6a : -23.3°C to -20.6°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |