Why, Arizona has a Hot Desert Climate climate (Köppen classification: BWh). Average annual temperatures range from 57 °F (low) to 84.7 °F (high). Annual precipitation averages 7.6 Inches. Why is located in USDA Plant Hardiness Zone 9b.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 39.7 °F | 67.0 °F | 0.53 in. |
| February | 43.3 °F | 69.8 °F | 0.75 in. |
| March | 47.0 °F | 76.2 °F | 0.7 in. |
| April | 51.8 °F | 82.4 °F | 0.17 in. |
| May | 60.9 °F | 90.4 °F | 0.09 in. |
| June | 70.1 °F | 100.3 °F | 0.06 in. |
| July | 76.8 °F | 102.3 °F | 0.95 in. |
| August | 76.0 °F | 101.5 °F | 1.83 in. |
| September | 71.1 °F | 97.4 °F | 0.74 in. |
| October | 59.8 °F | 87.3 °F | 0.47 in. |
| November | 47.2 °F | 75.9 °F | 0.49 in. |
| December | 39.9 °F | 65.9 °F | 0.79 in. |
| Annual | 57 °F | 84.7 °F | 7.57 in. |
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 39.7 °F | 67.0 °F | 0.53 in. |
| February | 43.3 °F | 69.8 °F | 0.75 in. |
| March | 47.0 °F | 76.2 °F | 0.7 in. |
| April | 51.8 °F | 82.4 °F | 0.17 in. |
| May | 60.9 °F | 90.4 °F | 0.09 in. |
| June | 70.1 °F | 100.3 °F | 0.06 in. |
| July | 76.8 °F | 102.3 °F | 0.95 in. |
| August | 76.0 °F | 101.5 °F | 1.83 in. |
| September | 71.1 °F | 97.4 °F | 0.74 in. |
| October | 59.8 °F | 87.3 °F | 0.47 in. |
| November | 47.2 °F | 75.9 °F | 0.49 in. |
| December | 39.9 °F | 65.9 °F | 0.79 in. |
| Annual | 57 °F | 84.7 °F | 7.57 in. |
| Average First Frost Date | Frost Rare |
| 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 9b : 25°F to 20°F |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | BWh - Hot Desert Climate |
| Average First Frost Date | Frost Rare |
| 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 9b : 25°F to 20°F |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | BWh - Hot Desert Climate |