Wickenburg, Arizona has a Hot Semi-Arid Climate climate (Köppen classification: BSh). Average annual temperatures range from 52.4 °F (low) to 84.2 °F (high). Annual precipitation averages 11 Inches. Wickenburg is located in USDA Plant Hardiness Zone 9a.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 36.4 °F | 65.3 °F | 1.38 in. |
| February | 38.5 °F | 68.0 °F | 1.41 in. |
| March | 43.2 °F | 74.4 °F | 1.11 in. |
| April | 47.4 °F | 82.0 °F | 0.39 in. |
| May | 55.8 °F | 90.9 °F | 0.12 in. |
| June | 64.3 °F | 100.7 °F | 0.07 in. |
| July | 73.3 °F | 103.9 °F | 1.24 in. |
| August | 73.3 °F | 102.3 °F | 1.67 in. |
| September | 66.2 °F | 97.4 °F | 1.01 in. |
| October | 53.5 °F | 86.7 °F | 0.57 in. |
| November | 42.1 °F | 74.1 °F | 0.77 in. |
| December | 35.3 °F | 64.4 °F | 1.22 in. |
| Annual | 52.4 °F | 84.2 °F | 10.96 in. |
| Average First Frost Date | Frost Rare |
| Average Last Frost Date | |
| Average Days With Frost | Frost Rare |
| 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 | BSh - Hot Semi-Arid Climate |