Bulverde, Texas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 56.1 °F (low) to 79.2 °F (high). Annual precipitation averages 35.9 Inches. Bulverde 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 | 38.2 °F | 61.7 °F | 2.21 in. |
| February | 42.0 °F | 65.9 °F | 2.01 in. |
| March | 48.8 °F | 72.3 °F | 2.69 in. |
| April | 55.3 °F | 79.3 °F | 2.51 in. |
| May | 64.0 °F | 85.3 °F | 4.35 in. |
| June | 70.2 °F | 91.4 °F | 3.78 in. |
| July | 72.0 °F | 94.2 °F | 2.28 in. |
| August | 71.9 °F | 95.5 °F | 2.58 in. |
| September | 66.7 °F | 89.5 °F | 3.98 in. |
| October | 57.2 °F | 81.2 °F | 4.45 in. |
| November | 47.2 °F | 70.5 °F | 2.82 in. |
| December | 39.9 °F | 63.1 °F | 2.23 in. |
| Annual | 56.1 °F | 79.2 °F | 35.89 in. |
| Average First Frost Date | Nov. 21 - Nov. 30 |
| Average Last Frost Date | Mar. 1 - Mar. 10 |
| Average Days With Frost | 20-30 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 | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |