Courtland, Alabama has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 10 °C (low) to 21.9 °C (high). Annual precipitation averages 1514.9 Millimeters. Courtland 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 Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -0.7 °C | 10.3 °C | 139.7 mm |
| February | 1 °C | 12.7 °C | 140.46 mm |
| March | 4.8 °C | 17.4 °C | 139.7 mm |
| April | 9.3 °C | 22.3 °C | 135.13 mm |
| May | 14.6 °C | 26.4 °C | 126.49 mm |
| June | 18.9 °C | 30.3 °C | 117.6 mm |
| July | 20.9 °C | 31.6 °C | 134.87 mm |
| August | 20 °C | 31.4 °C | 107.95 mm |
| September | 16.4 °C | 28.9 °C | 102.62 mm |
| October | 9.8 °C | 23.3 °C | 98.81 mm |
| November | 3.7 °C | 16.8 °C | 111.25 mm |
| December | 0.7 °C | 11.8 °C | 160.27 mm |
| Annual | 10 °C | 21.9 °C | 1514.85 mm |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| 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 7b : -15°C to -12.2°C |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |