Leon, Kansas has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 45.4 °F (low) to 68.1 °F (high). Annual precipitation averages 38.3 Inches. Leon is located in USDA Plant Hardiness Zone 7a. The growing season typically runs from the last frost around Apr. 1 - Apr. 10 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 22.0 °F | 43.2 °F | 0.9 in. |
| February | 24.9 °F | 47.9 °F | 1.44 in. |
| March | 34.1 °F | 58.5 °F | 2.52 in. |
| April | 44.0 °F | 68.2 °F | 3.5 in. |
| May | 55.0 °F | 76.3 °F | 5.86 in. |
| June | 64.7 °F | 85.7 °F | 5.55 in. |
| July | 69.0 °F | 90.8 °F | 4.26 in. |
| August | 67.1 °F | 89.7 °F | 4.15 in. |
| September | 58.7 °F | 82.9 °F | 3.58 in. |
| October | 46.1 °F | 71.0 °F | 3.22 in. |
| November | 34.3 °F | 57.1 °F | 1.88 in. |
| December | 24.7 °F | 45.3 °F | 1.4 in. |
| Annual | 45.4 °F | 68.1 °F | 38.26 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 7a : 0°F to 5°F |
| Plant Hardiness Zone - 2012 | Zone 6b : -5°F to 0°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |