Rangely, Colorado has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 32.3 °F (low) to 62.4 °F (high). Annual precipitation averages 10.4 Inches. Rangely is located in USDA Plant Hardiness Zone 5a. 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 | 6.8 °F | 30.7 °F | 0.61 in. |
| February | 12.5 °F | 38.5 °F | 0.62 in. |
| March | 24.9 °F | 52.6 °F | 0.8 in. |
| April | 32.0 °F | 61.9 °F | 1.07 in. |
| May | 41.0 °F | 72.4 °F | 1.14 in. |
| June | 49.5 °F | 85.0 °F | 0.69 in. |
| July | 56.4 °F | 92.1 °F | 0.71 in. |
| August | 53.8 °F | 89.4 °F | 0.92 in. |
| September | 46.1 °F | 80.2 °F | 1.28 in. |
| October | 33.7 °F | 65.1 °F | 1.18 in. |
| November | 21.3 °F | 47.7 °F | 0.79 in. |
| December | 9.7 °F | 33.1 °F | 0.59 in. |
| Annual | 32.3 °F | 62.4 °F | 10.4 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 5a : -20°F to -15°F |
| Plant Hardiness Zone - 2012 | Zone 5a : -20°F to -15°F |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |