Uvalde, Texas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 14.2 °C (low) to 28 °C (high). Annual precipitation averages 616.5 Millimeters. Uvalde 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. 11 - Nov. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 4 °C | 18.4 °C | 29.72 mm |
| February | 6.4 °C | 21 °C | 24.64 mm |
| March | 10.5 °C | 24.7 °C | 52.58 mm |
| April | 14.2 °C | 28.5 °C | 35.05 mm |
| May | 18.8 °C | 31.9 °C | 103.63 mm |
| June | 21.9 °C | 34.9 °C | 66.29 mm |
| July | 22.7 °C | 36.1 °C | 57.91 mm |
| August | 22.7 °C | 36.6 °C | 45.97 mm |
| September | 20.2 °C | 33.2 °C | 73.66 mm |
| October | 14.9 °C | 28.9 °C | 58.42 mm |
| November | 9.3 °C | 22.8 °C | 38.35 mm |
| December | 4.8 °C | 18.8 °C | 30.23 mm |
| Annual | 14.2 °C | 28 °C | 616.45 mm |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 1 - Mar. 10 |
| Average Days With Frost | 30-40 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 | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |