Miami, Arizona has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 50 °F (low) to 78.6 °F (high). Annual precipitation averages 17 Inches. Miami is located in USDA Plant Hardiness Zone 9a. The growing season typically runs from the last frost around Mar. 1 - Mar. 10 through the first frost around Nov. 21 - Nov. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 33.5 °F | 58.9 °F | 2.31 in. |
| February | 36.0 °F | 62.8 °F | 1.96 in. |
| March | 40.5 °F | 69.4 °F | 1.67 in. |
| April | 46.0 °F | 77.0 °F | 0.55 in. |
| May | 54.5 °F | 86.1 °F | 0.3 in. |
| June | 63.7 °F | 96.2 °F | 0.28 in. |
| July | 70.1 °F | 98.1 °F | 2.24 in. |
| August | 68.7 °F | 96.2 °F | 2.49 in. |
| September | 62.7 °F | 91.4 °F | 1.23 in. |
| October | 50.8 °F | 81.1 °F | 1.01 in. |
| November | 40.0 °F | 68.2 °F | 1.01 in. |
| December | 33.3 °F | 57.6 °F | 1.9 in. |
| Annual | 50 °F | 78.6 °F | 16.95 in. |
| Average First Frost Date | Nov. 21 - Nov. 30 |
| Average Last Frost Date | Mar. 1 - Mar. 10 |
| Average Days With Frost | 50-75 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 | BSk - Cold Semi-Arid Climate |