La Vernia, Texas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 58 °F (low) to 81.2 °F (high). Annual precipitation averages 32.8 Inches. La Vernia is located in USDA Plant Hardiness Zone 9a. The growing season typically runs from the last frost around Feb. 11 - Feb. 20 through the first frost around Nov. 21 - Nov. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 40.1 °F | 64.1 °F | 1.92 in. |
| February | 44.1 °F | 68.3 °F | 1.89 in. |
| March | 51.0 °F | 74.2 °F | 2.55 in. |
| April | 57.3 °F | 81.0 °F | 2.61 in. |
| May | 66.0 °F | 87.5 °F | 3.79 in. |
| June | 71.8 °F | 93.1 °F | 3.48 in. |
| July | 73.5 °F | 95.8 °F | 2.03 in. |
| August | 73.3 °F | 97.1 °F | 2.61 in. |
| September | 68.6 °F | 91.3 °F | 3.42 in. |
| October | 59.1 °F | 83.7 °F | 3.55 in. |
| November | 49.2 °F | 73.1 °F | 2.62 in. |
| December | 41.9 °F | 65.5 °F | 2.35 in. |
| Annual | 58 °F | 81.2 °F | 32.82 in. |
| Average First Frost Date | Nov. 21 - Nov. 30 |
| Average Last Frost Date | Feb. 11 - Feb. 20 |
| Average Days With Frost | 10-20 Days |
| Plant Hardiness Zone | Zone 9a : 20°F to 25°F |
| Plant Hardiness Zone - 2012 | Zone 8b : 15°F to 20°F |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |