Moulton, Alabama has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 9.9 °C (low) to 22.1 °C (high). Annual precipitation averages 1506.5 Millimeters. Moulton is located in USDA Plant Hardiness Zone 8a. The growing season typically runs from the last frost around Apr. 1 - Apr. 10 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -0.6 °C | 10.4 °C | 137.92 mm |
| February | 1.1 °C | 12.8 °C | 144.27 mm |
| March | 4.8 °C | 17.6 °C | 138.94 mm |
| April | 9.3 °C | 22.4 °C | 136.14 mm |
| May | 14.4 °C | 26.6 °C | 125.22 mm |
| June | 18.7 °C | 30.2 °C | 126.49 mm |
| July | 20.5 °C | 31.7 °C | 118.36 mm |
| August | 19.8 °C | 31.6 °C | 106.17 mm |
| September | 16.3 °C | 29.1 °C | 106.43 mm |
| October | 9.7 °C | 23.4 °C | 100.08 mm |
| November | 3.8 °C | 16.9 °C | 110.49 mm |
| December | 0.8 °C | 11.9 °C | 155.96 mm |
| Annual | 9.9 °C | 22.1 °C | 1506.47 mm |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| 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 | Abnormally Dry |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |