Leonardville, Kansas has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 43.6 °F (low) to 65.2 °F (high). Annual precipitation averages 32.6 Inches. Leonardville 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 | 18.6 °F | 38.7 °F | 0.72 in. |
| February | 22.3 °F | 43.6 °F | 1.07 in. |
| March | 32.6 °F | 55.1 °F | 1.99 in. |
| April | 41.7 °F | 65.2 °F | 3.07 in. |
| May | 53.4 °F | 74.2 °F | 4.87 in. |
| June | 63.4 °F | 85.1 °F | 4.66 in. |
| July | 67.5 °F | 89.8 °F | 4.36 in. |
| August | 66.2 °F | 87.4 °F | 3.85 in. |
| September | 57.1 °F | 80.1 °F | 2.96 in. |
| October | 45.2 °F | 67.7 °F | 2.43 in. |
| November | 32.2 °F | 53.9 °F | 1.54 in. |
| December | 23.3 °F | 42.0 °F | 1.12 in. |
| Annual | 43.6 °F | 65.2 °F | 32.64 in. |
| 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 : -5°F to 0°F |
| Plant Hardiness Zone - 2012 | Zone 6a : -10°F to -5°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |