Prattville, Alabama has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 11.9 °C (low) to 24.3 °C (high). Annual precipitation averages 1426 Millimeters. Prattville is located in USDA Plant Hardiness Zone 8b. The growing season typically runs from the last frost around Mar. 1 - Mar. 10 through the first frost around Nov. 11 - Nov. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 2 °C | 13.9 °C | 135.38 mm |
| February | 3.8 °C | 16.5 °C | 137.41 mm |
| March | 7.3 °C | 20.8 °C | 134.87 mm |
| April | 10.9 °C | 24.7 °C | 114.05 mm |
| May | 15.8 °C | 28.6 °C | 103.89 mm |
| June | 20.2 °C | 31.7 °C | 123.19 mm |
| July | 21.8 °C | 32.8 °C | 130.81 mm |
| August | 21.4 °C | 32.7 °C | 113.79 mm |
| September | 18.6 °C | 30.5 °C | 106.43 mm |
| October | 12.1 °C | 25.2 °C | 80.26 mm |
| November | 6 °C | 19.5 °C | 107.95 mm |
| December | 3.4 °C | 15.1 °C | 137.92 mm |
| Annual | 11.9 °C | 24.3 °C | 1425.95 mm |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 1 - Mar. 10 |
| Average Days With Frost | 20-30 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 |