Lebanon, Nebraska has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 37.4 °F (low) to 65.6 °F (high). Annual precipitation averages 22.6 Inches. Lebanon is located in USDA Plant Hardiness Zone 6a. The growing season typically runs from the last frost around May 1 - May 10 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 14.4 °F | 40.6 °F | 0.41 in. |
| February | 17.0 °F | 44.1 °F | 0.62 in. |
| March | 25.7 °F | 55.6 °F | 1.12 in. |
| April | 35.2 °F | 64.5 °F | 2.19 in. |
| May | 46.8 °F | 74.1 °F | 3.39 in. |
| June | 57.9 °F | 85.3 °F | 3.3 in. |
| July | 63.4 °F | 90.5 °F | 3.63 in. |
| August | 60.9 °F | 88.2 °F | 3.01 in. |
| September | 50.9 °F | 81.0 °F | 1.73 in. |
| October | 36.8 °F | 67.8 °F | 1.75 in. |
| November | 24.3 °F | 53.6 °F | 0.83 in. |
| December | 15.8 °F | 41.9 °F | 0.64 in. |
| Annual | 37.4 °F | 65.6 °F | 22.62 in. |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 150-180 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 | Extreme Drought |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |