Copper Hill, Arizona has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 48.6 °F (low) to 75.6 °F (high). Annual precipitation averages 17.1 Inches. Copper Hill is located in USDA Plant Hardiness Zone 9a. The growing season typically runs from the last frost around Mar. 11 - Mar. 20 through the first frost around Nov. 11 - Nov. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 33.0 °F | 57.3 °F | 2.03 in. |
| February | 34.7 °F | 60.2 °F | 1.82 in. |
| March | 39.2 °F | 66.4 °F | 1.6 in. |
| April | 44.5 °F | 73.5 °F | 0.46 in. |
| May | 52.7 °F | 82.4 °F | 0.58 in. |
| June | 61.8 °F | 92.6 °F | 0.16 in. |
| July | 67.8 °F | 94.3 °F | 2.21 in. |
| August | 66.2 °F | 92.3 °F | 2.56 in. |
| September | 61.0 °F | 87.7 °F | 1.7 in. |
| October | 49.9 °F | 77.7 °F | 1.12 in. |
| November | 39.8 °F | 66.6 °F | 1.06 in. |
| December | 32.8 °F | 56.3 °F | 1.8 in. |
| Annual | 48.6 °F | 75.6 °F | 17.1 in. |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 11 - Mar. 20 |
| Average Days With Frost | 50-75 Days |
| Plant Hardiness Zone | Zone 9a : 20°F to 25°F |
| Plant Hardiness Zone - 2012 | Zone 8b : 15°F to 20°F |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |