Benbrook, Texas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 13.1 °C (low) to 25.1 °C (high). Annual precipitation averages 942.6 Millimeters. Benbrook is located in USDA Plant Hardiness Zone 8b. The growing season typically runs from the last frost around Mar. 1 - Mar. 10 through the first frost around Nov. 11 - Nov. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 1.8 °C | 13.9 °C | 58.67 mm |
| February | 3.8 °C | 16.1 °C | 63.5 mm |
| March | 8.1 °C | 20.3 °C | 85.85 mm |
| April | 12.3 °C | 24.7 °C | 76.45 mm |
| May | 17.6 °C | 28.8 °C | 112.27 mm |
| June | 21.9 °C | 33.2 °C | 96.27 mm |
| July | 23.8 °C | 35.7 °C | 52.83 mm |
| August | 23.7 °C | 35.8 °C | 65.79 mm |
| September | 19.6 °C | 31.9 °C | 83.06 mm |
| October | 13.5 °C | 26.2 °C | 109.73 mm |
| November | 7.7 °C | 19.6 °C | 71.88 mm |
| December | 3 °C | 14.8 °C | 66.29 mm |
| Annual | 13.1 °C | 25.1 °C | 942.59 mm |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 1 - Mar. 10 |
| Average Days With Frost | 30-40 Days |
| Plant Hardiness Zone | Zone 8b : -9.4°C to -6.7°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 |