Bennington, Kansas has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 6.7 °C (low) to 19.8 °C (high). Annual precipitation averages 785.9 Millimeters. Bennington 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. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -6.7 °C | 5.1 °C | 20.07 mm |
| February | -5 °C | 7.7 °C | 27.18 mm |
| March | 0.3 °C | 14.1 °C | 48.77 mm |
| April | 5.6 °C | 19.7 °C | 65.79 mm |
| May | 11.9 °C | 24.9 °C | 127 mm |
| June | 17.9 °C | 31.1 °C | 103.63 mm |
| July | 20.5 °C | 33.9 °C | 102.87 mm |
| August | 19.3 °C | 32.6 °C | 101.6 mm |
| September | 14.4 °C | 28.2 °C | 69.09 mm |
| October | 7.2 °C | 21.3 °C | 57.66 mm |
| November | 0.2 °C | 13.1 °C | 32.51 mm |
| December | -5.1 °C | 6.4 °C | 29.72 mm |
| Annual | 6.7 °C | 19.8 °C | 785.89 mm |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 6b : -20.6°C to -17.8°C |
| Plant Hardiness Zone - 2012 | Zone 6a : -23.3°C to -20.6°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |