Morenci, Arizona has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 47 °F (low) to 77.5 °F (high). Annual precipitation averages 14.6 Inches. Morenci is located in USDA Plant Hardiness Zone 8b. The growing season typically runs from the last frost around Apr. 11 - Apr. 20 through the first frost around Nov. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 29.1 °F | 58.4 °F | 1.21 in. |
| February | 33.0 °F | 61.5 °F | 1.12 in. |
| March | 37.3 °F | 68.8 °F | 0.85 in. |
| April | 43.8 °F | 76.7 °F | 0.3 in. |
| May | 51.9 °F | 86.0 °F | 0.45 in. |
| June | 61.1 °F | 95.7 °F | 0.48 in. |
| July | 67.1 °F | 95.9 °F | 2.36 in. |
| August | 66.2 °F | 93.5 °F | 2.62 in. |
| September | 60.1 °F | 89.0 °F | 1.94 in. |
| October | 47.9 °F | 79.5 °F | 1.05 in. |
| November | 36.4 °F | 67.2 °F | 0.92 in. |
| December | 29.7 °F | 57.6 °F | 1.27 in. |
| Annual | 47 °F | 77.5 °F | 14.57 in. |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 50-75 Days |
| Plant Hardiness Zone | Zone 8b : 15°F to 20°F |
| Plant Hardiness Zone - 2012 | Zone 9a : 20°F to 25°F |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |