Bronte, Texas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 51.6 °F (low) to 78.8 °F (high). Annual precipitation averages 22.8 Inches. Bronte is located in USDA Plant Hardiness Zone 8a. The growing season typically runs from the last frost around Mar. 21 - Mar. 31 through the first frost around Nov. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 31.1 °F | 59.4 °F | 0.94 in. |
| February | 35.1 °F | 63.6 °F | 1.38 in. |
| March | 43.0 °F | 71.3 °F | 1.78 in. |
| April | 50.3 °F | 80.2 °F | 1.56 in. |
| May | 60.7 °F | 87.5 °F | 2.83 in. |
| June | 68.6 °F | 93.6 °F | 2.8 in. |
| July | 70.8 °F | 96.3 °F | 1.63 in. |
| August | 70.3 °F | 95.9 °F | 2.4 in. |
| September | 63.4 °F | 88.9 °F | 2.57 in. |
| October | 52.3 °F | 80.0 °F | 2.47 in. |
| November | 40.9 °F | 68.5 °F | 1.4 in. |
| December | 32.5 °F | 60.5 °F | 0.99 in. |
| Annual | 51.6 °F | 78.8 °F | 22.75 in. |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Mar. 21 - Mar. 31 |
| Average Days With Frost | 50-75 Days |
| Plant Hardiness Zone | Zone 8a : 10°F to 15°F |
| Plant Hardiness Zone - 2012 | Zone 8a : 10°F to 15°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |