Stanfield, Arizona has a Hot Desert Climate climate (Köppen classification: BWh). Average annual temperatures range from 56.4 °F (low) to 86.1 °F (high). Annual precipitation averages 8.1 Inches. Stanfield is located in USDA Plant Hardiness Zone 9a. The growing season typically runs from the last frost around Jan. 21 - Jan. 31 through the first frost around Jan. 1 - Jan. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 38.6 °F | 66.7 °F | 0.93 in. |
| February | 41.7 °F | 70.4 °F | 0.93 in. |
| March | 46.8 °F | 77.1 °F | 0.93 in. |
| April | 52.1 °F | 84.6 °F | 0.28 in. |
| May | 61.2 °F | 93.6 °F | 0.18 in. |
| June | 69.9 °F | 103.3 °F | 0.08 in. |
| July | 77.8 °F | 104.9 °F | 0.82 in. |
| August | 77.1 °F | 103.4 °F | 1.3 in. |
| September | 70.5 °F | 99.0 °F | 0.64 in. |
| October | 57.7 °F | 88.8 °F | 0.53 in. |
| November | 45.7 °F | 76.1 °F | 0.53 in. |
| December | 38.1 °F | 65.4 °F | 0.91 in. |
| Annual | 56.4 °F | 86.1 °F | 8.06 in. |
| Average First Frost Date | Jan. 1 - Jan. 10 |
| Average Last Frost Date | Jan. 21 - Jan. 31 |
| 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 | Severe Drought |
| Köppen Climate Classification | BWh - Hot Desert Climate |