Walton, Kansas has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 6.9 °C (low) to 19.2 °C (high). Annual precipitation averages 877.1 Millimeters. Walton 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. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -6.4 °C | 5.2 °C | 20.83 mm |
| February | -4.7 °C | 7.7 °C | 33.53 mm |
| March | 0.6 °C | 13.6 °C | 61.21 mm |
| April | 5.8 °C | 18.8 °C | 75.44 mm |
| May | 12.1 °C | 23.8 °C | 131.83 mm |
| June | 17.9 °C | 29.9 °C | 123.95 mm |
| July | 20.2 °C | 32.6 °C | 111 mm |
| August | 19.2 °C | 31.7 °C | 99.82 mm |
| September | 14.5 °C | 27.3 °C | 81.79 mm |
| October | 7.5 °C | 20.6 °C | 66.55 mm |
| November | 0.7 °C | 13 °C | 40.13 mm |
| December | -4.6 °C | 6.4 °C | 30.99 mm |
| Annual | 6.9 °C | 19.2 °C | 877.07 mm |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| 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 6b : -20.6°C to -17.8°C |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |