Mescal, Arizona has a Hot Semi-Arid Climate climate (Köppen classification: BSh). Average annual temperatures range from 49 °F (low) to 79 °F (high). Annual precipitation averages 14.2 Inches. Mescal is located in USDA Plant Hardiness Zone 8b. The growing season typically runs from the last frost around Apr. 1 - Apr. 10 through the first frost around Nov. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 33.4 °F | 62.6 °F | 0.97 in. |
| February | 35.8 °F | 65.1 °F | 1.0 in. |
| March | 40.4 °F | 71.1 °F | 0.85 in. |
| April | 45.0 °F | 78.1 °F | 0.43 in. |
| May | 52.5 °F | 86.3 °F | 0.25 in. |
| June | 62.6 °F | 95.4 °F | 0.39 in. |
| July | 67.1 °F | 94.0 °F | 2.96 in. |
| August | 66.0 °F | 91.7 °F | 3.19 in. |
| September | 60.8 °F | 89.0 °F | 1.55 in. |
| October | 50.3 °F | 81.5 °F | 0.87 in. |
| November | 40.2 °F | 71.3 °F | 0.64 in. |
| December | 33.6 °F | 61.7 °F | 1.13 in. |
| Annual | 49 °F | 79 °F | 14.23 in. |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| Average Days With Frost | 50-75 Days |
| Plant Hardiness Zone | Zone 8b : 15°F to 20°F |
| Plant Hardiness Zone - 2012 | Zone 8b : 15°F to 20°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | BSh - Hot Semi-Arid Climate |