Cheyenne Wells, Colorado has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 36.8 °F (low) to 66.8 °F (high). Annual precipitation averages 16.3 Inches. Cheyenne Wells is located in USDA Plant Hardiness Zone 6a. The growing season typically runs from the last frost around May 1 - May 10 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 16.6 °F | 44.6 °F | 0.24 in. |
| February | 18.5 °F | 46.8 °F | 0.37 in. |
| March | 25.9 °F | 56.7 °F | 0.69 in. |
| April | 33.6 °F | 64.8 °F | 1.32 in. |
| May | 44.3 °F | 74.3 °F | 2.17 in. |
| June | 54.6 °F | 85.9 °F | 2.53 in. |
| July | 60.4 °F | 91.5 °F | 2.88 in. |
| August | 58.4 °F | 88.7 °F | 2.89 in. |
| September | 50.1 °F | 81.6 °F | 1.23 in. |
| October | 37.0 °F | 68.2 °F | 1.19 in. |
| November | 25.3 °F | 54.2 °F | 0.47 in. |
| December | 17.2 °F | 44.5 °F | 0.31 in. |
| Annual | 36.8 °F | 66.8 °F | 16.29 in. |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 1 - May 10 |
| 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 | Moderate Drought |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |