Bison, Kansas has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 42 °F (low) to 67.6 °F (high). Annual precipitation averages 26.1 Inches. Bison 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 | 18.6 °F | 42.6 °F | 0.64 in. |
| February | 21.5 °F | 47.0 °F | 0.95 in. |
| March | 30.6 °F | 57.1 °F | 1.57 in. |
| April | 39.6 °F | 66.3 °F | 2.16 in. |
| May | 51.2 °F | 76.1 °F | 4.25 in. |
| June | 62.0 °F | 87.2 °F | 3.67 in. |
| July | 66.7 °F | 92.1 °F | 3.78 in. |
| August | 64.6 °F | 89.8 °F | 3.52 in. |
| September | 56.3 °F | 82.5 °F | 1.86 in. |
| October | 42.4 °F | 69.9 °F | 1.86 in. |
| November | 30.1 °F | 55.9 °F | 0.9 in. |
| December | 20.9 °F | 44.1 °F | 0.94 in. |
| Annual | 42 °F | 67.6 °F | 26.1 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 6a : -10°F to -5°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |