Ozona, Texas has a Hot Semi-Arid Climate climate (Köppen classification: BSh). Average annual temperatures range from 10.7 °C (low) to 25.6 °C (high). Annual precipitation averages 460 Millimeters. Ozona is located in USDA Plant Hardiness Zone 8a. The growing season typically runs from the last frost around Apr. 1 - Apr. 10 through the first frost around Nov. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -0.4 °C | 15.4 °C | 20.83 mm |
| February | 1.7 °C | 17.8 °C | 21.34 mm |
| March | 6.1 °C | 22 °C | 41.4 mm |
| April | 9.9 °C | 26.5 °C | 30.48 mm |
| May | 15.8 °C | 30.4 °C | 54.1 mm |
| June | 20 °C | 33.6 °C | 49.78 mm |
| July | 21.1 °C | 34.4 °C | 35.56 mm |
| August | 20.6 °C | 34.6 °C | 55.12 mm |
| September | 17 °C | 30.9 °C | 55.12 mm |
| October | 11.1 °C | 26.1 °C | 53.34 mm |
| November | 4.7 °C | 19.9 °C | 25.91 mm |
| December | 0.3 °C | 15.8 °C | 17.02 mm |
| Annual | 10.7 °C | 25.6 °C | 460 mm |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| Average Days With Frost | 50-75 Days |
| Plant Hardiness Zone | Zone 8a : -12.2°C to -9.4°C |
| Plant Hardiness Zone - 2012 | Zone 8a : -12.2°C to -9.4°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | BSh - Hot Semi-Arid Climate |