Phoenix, Arizona has a Hot Desert Climate climate (Köppen classification: BWh). Average annual temperatures range from 60.1 °F (low) to 87 °F (high). Annual precipitation averages 8.7 Inches. Phoenix is located in USDA Plant Hardiness Zone 10a.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 42.8 °F | 67.7 °F | 1.03 in. |
| February | 45.8 °F | 71.1 °F | 1.18 in. |
| March | 50.9 °F | 77.8 °F | 1.05 in. |
| April | 56.4 °F | 85.2 °F | 0.28 in. |
| May | 65.1 °F | 94.1 °F | 0.16 in. |
| June | 73.6 °F | 103.5 °F | 0.04 in. |
| July | 80.6 °F | 106.0 °F | 0.82 in. |
| August | 80.1 °F | 104.8 °F | 1.11 in. |
| September | 73.6 °F | 100.2 °F | 0.68 in. |
| October | 61.1 °F | 89.7 °F | 0.63 in. |
| November | 49.5 °F | 76.7 °F | 0.65 in. |
| December | 41.9 °F | 66.7 °F | 1.04 in. |
| Annual | 60.1 °F | 87 °F | 8.67 in. |
| Average First Frost Date | No Frost |
| Average Last Frost Date | |
| Average Days With Frost | Frost Rare |
| Plant Hardiness Zone | Zone 10a : 30°F to 25°F |
| Plant Hardiness Zone - 2012 | Zone 9b : 25°F to 20°F |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | BWh - Hot Desert Climate |