White Hills, Arizona has a Cold Desert Climate climate (Köppen classification: BWk). Average annual temperatures range from 53.1 °F (low) to 78.9 °F (high). Annual precipitation averages 6.3 Inches. White Hills is located in USDA Plant Hardiness Zone 9a. The growing season typically runs from the last frost around Feb. 1 - Feb. 10 through the first frost around Jan. 1 - Jan. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 35.5 °F | 57.9 °F | 0.81 in. |
| February | 38.2 °F | 61.6 °F | 0.98 in. |
| March | 43.4 °F | 69.2 °F | 0.64 in. |
| April | 49.2 °F | 76.1 °F | 0.31 in. |
| May | 58.4 °F | 85.8 °F | 0.19 in. |
| June | 67.9 °F | 96.8 °F | 0.07 in. |
| July | 74.8 °F | 101.6 °F | 0.57 in. |
| August | 73.3 °F | 100.1 °F | 0.54 in. |
| September | 65.2 °F | 94.0 °F | 0.64 in. |
| October | 53.6 °F | 80.3 °F | 0.48 in. |
| November | 42.6 °F | 67.1 °F | 0.41 in. |
| December | 35.5 °F | 56.8 °F | 0.64 in. |
| Annual | 53.1 °F | 78.9 °F | 6.28 in. |
| Average First Frost Date | Jan. 1 - Jan. 10 |
| Average Last Frost Date | Feb. 1 - Feb. 10 |
| Average Days With Frost | 10-20 Days |
| Plant Hardiness Zone | Zone 9a : 20°F to 25°F |
| Plant Hardiness Zone - 2012 | Zone 9a : 20°F to 25°F |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | BWk - Cold Desert Climate |