Bronte, Texas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 10.9 °C (low) to 26 °C (high). Annual precipitation averages 577.9 Millimeters. 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 | -0.5 °C | 15.2 °C | 23.88 mm |
| February | 1.7 °C | 17.6 °C | 35.05 mm |
| March | 6.1 °C | 21.8 °C | 45.21 mm |
| April | 10.2 °C | 26.8 °C | 39.62 mm |
| May | 15.9 °C | 30.8 °C | 71.88 mm |
| June | 20.3 °C | 34.2 °C | 71.12 mm |
| July | 21.6 °C | 35.7 °C | 41.4 mm |
| August | 21.3 °C | 35.5 °C | 60.96 mm |
| September | 17.4 °C | 31.6 °C | 65.28 mm |
| October | 11.3 °C | 26.7 °C | 62.74 mm |
| November | 4.9 °C | 20.3 °C | 35.56 mm |
| December | 0.3 °C | 15.8 °C | 25.15 mm |
| Annual | 10.9 °C | 26 °C | 577.85 mm |
| 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 : -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 | Cfa - Humid Subtropical Climate |