Miami, Texas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 6.9 °C (low) to 22.1 °C (high). Annual precipitation averages 611.6 Millimeters. Miami is located in USDA Plant Hardiness Zone 7a. The growing season typically runs from the last frost around Apr. 11 - Apr. 20 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -4.8 °C | 10.2 °C | 21.59 mm |
| February | -3.4 °C | 12.1 °C | 17.78 mm |
| March | 1.2 °C | 17.3 °C | 40.13 mm |
| April | 5.7 °C | 21.8 °C | 54.61 mm |
| May | 11.5 °C | 26.5 °C | 78.23 mm |
| June | 17.1 °C | 31.4 °C | 84.84 mm |
| July | 19.5 °C | 33.9 °C | 62.74 mm |
| August | 18.7 °C | 33.3 °C | 81.79 mm |
| September | 14.4 °C | 28.8 °C | 53.59 mm |
| October | 7.1 °C | 22.8 °C | 64.52 mm |
| November | 0.4 °C | 16.1 °C | 24.89 mm |
| December | -4.1 °C | 10.4 °C | 26.92 mm |
| Annual | 6.9 °C | 22.1 °C | 611.63 mm |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 7a : -17.8°C to -15°C |
| Plant Hardiness Zone - 2012 | Zone 7a : -17.8°C to -15°C |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |