White Hills, Arizona has a Cold Desert Climate climate (Köppen classification: BWk). Average annual temperatures range from 11.7 °C (low) to 26.1 °C (high). Annual precipitation averages 159.5 Millimeters. 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 | 1.9 °C | 14.4 °C | 20.57 mm |
| February | 3.4 °C | 16.4 °C | 24.89 mm |
| March | 6.3 °C | 20.7 °C | 16.26 mm |
| April | 9.6 °C | 24.5 °C | 7.87 mm |
| May | 14.7 °C | 29.9 °C | 4.83 mm |
| June | 19.9 °C | 36 °C | 1.78 mm |
| July | 23.8 °C | 38.7 °C | 14.48 mm |
| August | 22.9 °C | 37.8 °C | 13.72 mm |
| September | 18.4 °C | 34.4 °C | 16.26 mm |
| October | 12 °C | 26.8 °C | 12.19 mm |
| November | 5.9 °C | 19.5 °C | 10.41 mm |
| December | 1.9 °C | 13.8 °C | 16.26 mm |
| Annual | 11.7 °C | 26.1 °C | 159.52 mm |
| 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 : -6.7°C to -3.9°C |
| Plant Hardiness Zone - 2012 | Zone 9a : -6.7°C to -3.9°C |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | BWk - Cold Desert Climate |