Hebron, Nebraska has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 40.5 °F (low) to 63.9 °F (high). Annual precipitation averages 30.5 Inches. Hebron 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. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 15.7 °F | 36.7 °F | 0.75 in. |
| February | 19.0 °F | 41.3 °F | 0.81 in. |
| March | 28.5 °F | 53.4 °F | 1.67 in. |
| April | 38.6 °F | 64.0 °F | 2.67 in. |
| May | 50.5 °F | 73.9 °F | 5.07 in. |
| June | 61.3 °F | 84.3 °F | 4.31 in. |
| July | 65.8 °F | 88.5 °F | 4.45 in. |
| August | 63.4 °F | 86.3 °F | 3.53 in. |
| September | 54.0 °F | 79.6 °F | 2.62 in. |
| October | 41.1 °F | 67.1 °F | 2.26 in. |
| November | 28.5 °F | 52.2 °F | 1.33 in. |
| December | 19.3 °F | 40.0 °F | 1.0 in. |
| Annual | 40.5 °F | 63.9 °F | 30.47 in. |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| 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 | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |