Lockhart, Alabama has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 13.1 °C (low) to 25.4 °C (high). Annual precipitation averages 1614.9 Millimeters. Lockhart is located in USDA Plant Hardiness Zone 9a. The growing season typically runs from the last frost around Mar. 11 - Mar. 20 through the first frost around Nov. 11 - Nov. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 3.4 °C | 16.1 °C | 134.37 mm |
| February | 5.2 °C | 18.4 °C | 129.54 mm |
| March | 8.5 °C | 22.1 °C | 141.22 mm |
| April | 12.1 °C | 25.4 °C | 130.81 mm |
| May | 16.8 °C | 29.6 °C | 107.7 mm |
| June | 20.9 °C | 32.1 °C | 158.24 mm |
| July | 22.2 °C | 33.1 °C | 182.37 mm |
| August | 22 °C | 32.7 °C | 157.23 mm |
| September | 19.5 °C | 30.9 °C | 134.62 mm |
| October | 13.6 °C | 26.3 °C | 106.17 mm |
| November | 7.4 °C | 21.3 °C | 101.6 mm |
| December | 5.1 °C | 17.3 °C | 131.06 mm |
| Annual | 13.1 °C | 25.4 °C | 1614.93 mm |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 11 - Mar. 20 |
| Average Days With Frost | 30-40 Days |
| Plant Hardiness Zone | Zone 9a : -6.7°C to -3.9°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 |