Buckeye, Arizona has a Hot Desert Climate climate (Köppen classification: BWh). Average annual temperatures range from 58 °F (low) to 87.4 °F (high). Annual precipitation averages 7.8 Inches. Buckeye is located in USDA Plant Hardiness Zone 9b.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 40.4 °F | 67.7 °F | 0.81 in. |
| February | 43.2 °F | 71.7 °F | 0.97 in. |
| March | 48.8 °F | 78.4 °F | 0.97 in. |
| April | 54.0 °F | 85.6 °F | 0.25 in. |
| May | 62.7 °F | 94.8 °F | 0.15 in. |
| June | 71.1 °F | 104.5 °F | 0.03 in. |
| July | 79.4 °F | 107.0 °F | 0.72 in. |
| August | 79.3 °F | 105.7 °F | 1.22 in. |
| September | 72.0 °F | 100.7 °F | 0.78 in. |
| October | 58.6 °F | 89.7 °F | 0.4 in. |
| November | 46.7 °F | 76.9 °F | 0.53 in. |
| December | 39.5 °F | 66.5 °F | 0.97 in. |
| Annual | 58 °F | 87.4 °F | 7.8 in. |
| Average First Frost Date | No Frost |
| Average Last Frost Date | |
| Average Days With Frost | Frost Rare |
| Plant Hardiness Zone | Zone 9b : 25°F to 20°F |
| Plant Hardiness Zone - 2012 | Zone 9a : 20°F to 25°F |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | BWh - Hot Desert Climate |