Miami, Arizona has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 10 °C (low) to 25.9 °C (high). Annual precipitation averages 430.5 Millimeters. 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 | 0.8 °C | 14.9 °C | 58.67 mm |
| February | 2.2 °C | 17.1 °C | 49.78 mm |
| March | 4.7 °C | 20.8 °C | 42.42 mm |
| April | 7.8 °C | 25 °C | 13.97 mm |
| May | 12.5 °C | 30.1 °C | 7.62 mm |
| June | 17.6 °C | 35.7 °C | 7.11 mm |
| July | 21.2 °C | 36.7 °C | 56.9 mm |
| August | 20.4 °C | 35.7 °C | 63.25 mm |
| September | 17.1 °C | 33 °C | 31.24 mm |
| October | 10.4 °C | 27.3 °C | 25.65 mm |
| November | 4.4 °C | 20.1 °C | 25.65 mm |
| December | 0.7 °C | 14.2 °C | 48.26 mm |
| Annual | 10 °C | 25.9 °C | 430.52 mm |
| 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 : -6.7°C to -3.9°C |
| Plant Hardiness Zone - 2012 | Zone 9a : -6.7°C to -3.9°C |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |