Wilhoit, Arizona has a Hot-Summer Mediterranean Climate climate (Köppen classification: Csa). Average annual temperatures range from 42.7 °F (low) to 71.6 °F (high). Annual precipitation averages 18.9 Inches. Wilhoit is located in USDA Plant Hardiness Zone 8a. The growing season typically runs from the last frost around Mar. 21 - Mar. 31 through the first frost around Nov. 11 - Nov. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 28.3 °F | 54.1 °F | 2.07 in. |
| February | 29.5 °F | 56.1 °F | 2.25 in. |
| March | 33.3 °F | 61.8 °F | 2.09 in. |
| April | 37.7 °F | 68.9 °F | 0.77 in. |
| May | 45.4 °F | 77.2 °F | 0.36 in. |
| June | 54.0 °F | 87.8 °F | 0.21 in. |
| July | 61.2 °F | 90.6 °F | 2.28 in. |
| August | 60.6 °F | 88.4 °F | 3.27 in. |
| September | 54.8 °F | 83.7 °F | 1.72 in. |
| October | 44.3 °F | 74.2 °F | 0.95 in. |
| November | 34.6 °F | 62.8 °F | 1.05 in. |
| December | 28.2 °F | 53.2 °F | 1.91 in. |
| Annual | 42.7 °F | 71.6 °F | 18.93 in. |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 21 - Mar. 31 |
| Average Days With Frost | 75-100 Days |
| Plant Hardiness Zone | Zone 8a : 10°F to 15°F |
| Plant Hardiness Zone - 2012 | Zone 8b : 15°F to 20°F |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Csa - Hot-Summer Mediterranean Climate |