Mesa del Caballo, Arizona has a Hot-Summer Mediterranean Climate climate (Köppen classification: Csa). Average annual temperatures range from 5.8 °C (low) to 22 °C (high). Annual precipitation averages 570 Millimeters. Mesa del Caballo is located in USDA Plant Hardiness Zone 8a. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -2.1 °C | 12.2 °C | 70.36 mm |
| February | -1.3 °C | 13.3 °C | 67.82 mm |
| March | 0.7 °C | 16.7 °C | 57.4 mm |
| April | 3.7 °C | 20.3 °C | 22.1 mm |
| May | 7 °C | 25.2 °C | 15.49 mm |
| June | 11.7 °C | 31.2 °C | 11.43 mm |
| July | 16.2 °C | 32.6 °C | 73.91 mm |
| August | 15.6 °C | 31.4 °C | 80.01 mm |
| September | 12.2 °C | 28.7 °C | 42.93 mm |
| October | 6.3 °C | 23.1 °C | 33.02 mm |
| November | 1.1 °C | 16.9 °C | 35.81 mm |
| December | -1.8 °C | 11.8 °C | 59.69 mm |
| Annual | 5.8 °C | 22 °C | 569.97 mm |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 8a : -12.2°C to -9.4°C |
| Plant Hardiness Zone - 2012 | Zone 8a : -12.2°C to -9.4°C |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Csa - Hot-Summer Mediterranean Climate |