Bennington, Kansas has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 44.1 °F (low) to 67.7 °F (high). Annual precipitation averages 30.9 Inches. 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 | 19.9 °F | 41.1 °F | 0.79 in. |
| February | 23.0 °F | 45.9 °F | 1.07 in. |
| March | 32.6 °F | 57.3 °F | 1.92 in. |
| April | 42.1 °F | 67.4 °F | 2.59 in. |
| May | 53.5 °F | 76.8 °F | 5.0 in. |
| June | 64.2 °F | 87.9 °F | 4.08 in. |
| July | 68.9 °F | 93.1 °F | 4.05 in. |
| August | 66.7 °F | 90.7 °F | 4.0 in. |
| September | 58.0 °F | 82.8 °F | 2.72 in. |
| October | 44.9 °F | 70.4 °F | 2.27 in. |
| November | 32.3 °F | 55.6 °F | 1.28 in. |
| December | 22.9 °F | 43.6 °F | 1.17 in. |
| Annual | 44.1 °F | 67.7 °F | 30.94 in. |
| 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 : -5°F to 0°F |
| Plant Hardiness Zone - 2012 | Zone 6a : -10°F to -5°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |