Del Muerto, Arizona has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 3.7 °C (low) to 18.9 °C (high). Annual precipitation averages 258.1 Millimeters. 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 | -6.4 °C | 6.2 °C | 20.83 mm |
| February | -4.4 °C | 8.9 °C | 20.57 mm |
| March | -1.7 °C | 13.6 °C | 22.1 mm |
| April | 2 °C | 18.3 °C | 13.72 mm |
| May | 6.5 °C | 23.6 °C | 18.29 mm |
| June | 11.8 °C | 30 °C | 6.1 mm |
| July | 15.3 °C | 31.7 °C | 31.75 mm |
| August | 14.8 °C | 30.2 °C | 34.29 mm |
| September | 10.7 °C | 26.4 °C | 27.43 mm |
| October | 4.1 °C | 19.7 °C | 21.59 mm |
| November | -1.9 °C | 12.1 °C | 18.8 mm |
| December | -6.1 °C | 6.2 °C | 22.61 mm |
| Annual | 3.7 °C | 18.9 °C | 258.08 mm |
| 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 : -17.8°C to -15°C |
| Plant Hardiness Zone - 2012 | Zone 7a : -17.8°C to -15°C |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |