Bennett, Colorado has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 36.5 °F (low) to 64.3 °F (high). Annual precipitation averages 17 Inches. Bennett 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 | 17.9 °F | 44.4 °F | 0.39 in. |
| February | 19.3 °F | 45.1 °F | 0.49 in. |
| March | 27.0 °F | 54.7 °F | 1.38 in. |
| April | 33.5 °F | 61.0 °F | 1.97 in. |
| May | 42.7 °F | 69.2 °F | 2.4 in. |
| June | 52.6 °F | 82.0 °F | 2.29 in. |
| July | 59.2 °F | 88.8 °F | 2.57 in. |
| August | 57.1 °F | 86.3 °F | 2.15 in. |
| September | 48.8 °F | 78.4 °F | 1.23 in. |
| October | 36.0 °F | 64.9 °F | 1.09 in. |
| November | 26.3 °F | 53.3 °F | 0.66 in. |
| December | 18.1 °F | 43.7 °F | 0.4 in. |
| Annual | 36.5 °F | 64.3 °F | 17.02 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 5b : -15°F to -10°F |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |