Brook Highland, Alabama has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 11.1 °C (low) to 23.2 °C (high). Annual precipitation averages 1503.4 Millimeters. Brook Highland 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 | 0.9 °C | 12.4 °C | 130.05 mm |
| February | 2.4 °C | 14.9 °C | 138.18 mm |
| March | 6.2 °C | 19.3 °C | 141.22 mm |
| April | 10 °C | 23.7 °C | 136.14 mm |
| May | 15.3 °C | 27.4 °C | 114.3 mm |
| June | 19.5 °C | 30.7 °C | 130.3 mm |
| July | 21.3 °C | 32.3 °C | 128.52 mm |
| August | 20.8 °C | 32 °C | 115.57 mm |
| September | 17.7 °C | 29.7 °C | 120.14 mm |
| October | 11.3 °C | 24.2 °C | 88.9 mm |
| November | 5.4 °C | 18.3 °C | 117.86 mm |
| December | 2.3 °C | 13.7 °C | 142.24 mm |
| Annual | 11.1 °C | 23.2 °C | 1503.42 mm |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Mar. 21 - Mar. 31 |
| Average Days With Frost | 40-50 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 |