Sheridan, Colorado has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 37.9 °F (low) to 66 °F (high). Annual precipitation averages 16.6 Inches. Sheridan 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 | 19.8 °F | 47.3 °F | 0.53 in. |
| February | 21.1 °F | 48.2 °F | 0.65 in. |
| March | 28.9 °F | 56.7 °F | 1.4 in. |
| April | 35.3 °F | 62.3 °F | 2.21 in. |
| May | 44.5 °F | 71.2 °F | 2.58 in. |
| June | 54.1 °F | 83.2 °F | 1.83 in. |
| July | 60.2 °F | 89.2 °F | 1.96 in. |
| August | 58.2 °F | 86.9 °F | 1.7 in. |
| September | 49.3 °F | 79.4 °F | 1.32 in. |
| October | 36.6 °F | 66.3 °F | 1.09 in. |
| November | 27.0 °F | 55.0 °F | 0.72 in. |
| December | 19.4 °F | 46.4 °F | 0.56 in. |
| Annual | 37.9 °F | 66 °F | 16.55 in. |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 150-180 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 |