Del Muerto, Arizona has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 38.7 °F (low) to 66 °F (high). Annual precipitation averages 10.2 Inches. Del Muerto is located in USDA Plant Hardiness Zone 7a. The growing season typically runs from the last frost around May 11 - May 20 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 20.4 °F | 43.2 °F | 0.82 in. |
| February | 24.0 °F | 48.1 °F | 0.81 in. |
| March | 29.0 °F | 56.5 °F | 0.87 in. |
| April | 35.6 °F | 64.9 °F | 0.54 in. |
| May | 43.7 °F | 74.4 °F | 0.72 in. |
| June | 53.2 °F | 86.0 °F | 0.24 in. |
| July | 59.6 °F | 89.1 °F | 1.25 in. |
| August | 58.7 °F | 86.3 °F | 1.35 in. |
| September | 51.3 °F | 79.6 °F | 1.08 in. |
| October | 39.3 °F | 67.5 °F | 0.85 in. |
| November | 28.6 °F | 53.8 °F | 0.74 in. |
| December | 21.1 °F | 43.1 °F | 0.89 in. |
| Annual | 38.7 °F | 66 °F | 10.16 in. |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 7a : 0°F to 5°F |
| Plant Hardiness Zone - 2012 | Zone 7a : 0°F to 5°F |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |