Walton, Kansas has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 44.4 °F (low) to 66.6 °F (high). Annual precipitation averages 34.5 Inches. 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 | 20.4 °F | 41.3 °F | 0.82 in. |
| February | 23.5 °F | 45.8 °F | 1.32 in. |
| March | 33.1 °F | 56.4 °F | 2.41 in. |
| April | 42.4 °F | 65.8 °F | 2.97 in. |
| May | 53.8 °F | 74.9 °F | 5.19 in. |
| June | 64.2 °F | 85.9 °F | 4.88 in. |
| July | 68.4 °F | 90.6 °F | 4.37 in. |
| August | 66.6 °F | 89.0 °F | 3.93 in. |
| September | 58.1 °F | 81.1 °F | 3.22 in. |
| October | 45.5 °F | 69.0 °F | 2.62 in. |
| November | 33.2 °F | 55.4 °F | 1.58 in. |
| December | 23.8 °F | 43.5 °F | 1.22 in. |
| Annual | 44.4 °F | 66.6 °F | 34.53 in. |
| 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 : -5°F to 0°F |
| Plant Hardiness Zone - 2012 | Zone 6b : -5°F to 0°F |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |