Lebanon, Kansas has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 39.7 °F (low) to 65.1 °F (high). Annual precipitation averages 27.4 Inches. Lebanon is located in USDA Plant Hardiness Zone 6a. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 15.1 °F | 38.0 °F | 0.67 in. |
| February | 18.4 °F | 42.7 °F | 0.8 in. |
| March | 27.7 °F | 54.1 °F | 1.51 in. |
| April | 37.8 °F | 64.9 °F | 2.34 in. |
| May | 49.2 °F | 74.6 °F | 4.09 in. |
| June | 60.4 °F | 85.7 °F | 3.72 in. |
| July | 65.3 °F | 90.7 °F | 4.53 in. |
| August | 63.1 °F | 88.0 °F | 3.49 in. |
| September | 53.4 °F | 80.7 °F | 2.17 in. |
| October | 40.0 °F | 67.7 °F | 1.94 in. |
| November | 27.3 °F | 52.9 °F | 1.22 in. |
| December | 18.1 °F | 40.7 °F | 0.89 in. |
| Annual | 39.7 °F | 65.1 °F | 27.37 in. |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 6a : -10°F to -5°F |
| Plant Hardiness Zone - 2012 | Zone 5b : -15°F to -10°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |