Bennington, Nebraska has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 4.7 °C (low) to 16.2 °C (high). Annual precipitation averages 828 Millimeters. Bennington 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 | -10.1 °C | 0.1 °C | 19.3 mm |
| February | -8.1 °C | 2.8 °C | 25.91 mm |
| March | -2.2 °C | 9.8 °C | 45.47 mm |
| April | 3.9 °C | 16.8 °C | 82.04 mm |
| May | 10.7 °C | 22.5 °C | 121.16 mm |
| June | 16.7 °C | 28.1 °C | 130.05 mm |
| July | 18.9 °C | 29.9 °C | 89.66 mm |
| August | 17.5 °C | 28.9 °C | 102.87 mm |
| September | 12.3 °C | 25.4 °C | 80.26 mm |
| October | 5.3 °C | 18.2 °C | 62.74 mm |
| November | -1.7 °C | 9.6 °C | 35.56 mm |
| December | -7.4 °C | 2.4 °C | 33.02 mm |
| Annual | 4.7 °C | 16.2 °C | 828.04 mm |
| 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 : -23.3°C to -20.6°C |
| Plant Hardiness Zone - 2012 | Zone 5b : -26.1°C to -23.3°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |