Copper Mountain, Colorado has a Subarctic With Cool Summers And Year Around Rainfall climate (Köppen classification: Dfc). Average annual temperatures range from 22.4 °F (low) to 50 °F (high). Annual precipitation averages 25.9 Inches. Copper Mountain is located in USDA Plant Hardiness Zone 5a. The growing season typically runs from the last frost around Jun. 21 - Jun. 30 through the first frost around Aug. 1 - Aug. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 6.4 °F | 30.8 °F | 2.44 in. |
| February | 7.0 °F | 32.2 °F | 2.46 in. |
| March | 13.7 °F | 39.6 °F | 2.65 in. |
| April | 20.3 °F | 45.8 °F | 3.14 in. |
| May | 28.4 °F | 56.1 °F | 2.31 in. |
| June | 34.8 °F | 67.1 °F | 1.15 in. |
| July | 41.7 °F | 72.4 °F | 1.9 in. |
| August | 39.5 °F | 69.9 °F | 2.2 in. |
| September | 33.2 °F | 63.5 °F | 1.63 in. |
| October | 24.5 °F | 51.6 °F | 1.74 in. |
| November | 13.8 °F | 39.9 °F | 2.13 in. |
| December | 5.8 °F | 30.6 °F | 2.15 in. |
| Annual | 22.4 °F | 50 °F | 25.9 in. |
| Average First Frost Date | Aug. 1 - Aug. 10 |
| Average Last Frost Date | Jun. 21 - Jun. 30 |
| Average Days With Frost | Over 180 Days |
| Plant Hardiness Zone | Zone 5a : -20°F to -15°F |
| Plant Hardiness Zone - 2012 | Zone 4b : -25°F to -20°F |
| Current Drought Conditions | Exceptional Drought |
| Köppen Climate Classification | Dfc - Subarctic With Cool Summers And Year Around Rainfall |