Libertyville, Alabama has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 12.4 °C (low) to 25.7 °C (high). Annual precipitation averages 1559.8 Millimeters. Libertyville is located in USDA Plant Hardiness Zone 8b. 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 | 2.7 °C | 16 °C | 137.67 mm |
| February | 4.5 °C | 18.5 °C | 123.44 mm |
| March | 7.8 °C | 22.2 °C | 141.73 mm |
| April | 11.4 °C | 25.9 °C | 123.44 mm |
| May | 16.1 °C | 29.8 °C | 109.98 mm |
| June | 20.4 °C | 32.6 °C | 154.69 mm |
| July | 21.8 °C | 33.6 °C | 172.72 mm |
| August | 21.6 °C | 33.1 °C | 139.95 mm |
| September | 19 °C | 31.3 °C | 120.9 mm |
| October | 12.8 °C | 26.7 °C | 91.19 mm |
| November | 6.8 °C | 21.3 °C | 107.95 mm |
| December | 4.3 °C | 17.3 °C | 136.14 mm |
| Annual | 12.4 °C | 25.7 °C | 1559.8 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 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 |