Clanton, Alabama has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 11 °C (low) to 23.5 °C (high). Annual precipitation averages 1442.4 Millimeters. Clanton is located in USDA Plant Hardiness Zone 8a. 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 | 1.1 °C | 13 °C | 139.95 mm |
| February | 2.8 °C | 15.5 °C | 144.27 mm |
| March | 6.1 °C | 19.9 °C | 142.24 mm |
| April | 9.8 °C | 23.7 °C | 127 mm |
| May | 14.9 °C | 27.8 °C | 104.39 mm |
| June | 19.1 °C | 31 °C | 120.14 mm |
| July | 20.9 °C | 32.4 °C | 129.79 mm |
| August | 20.6 °C | 32.1 °C | 108.2 mm |
| September | 17.4 °C | 29.7 °C | 91.44 mm |
| October | 11.1 °C | 24.3 °C | 81.53 mm |
| November | 5.2 °C | 18.7 °C | 114.3 mm |
| December | 2.4 °C | 14.1 °C | 139.19 mm |
| Annual | 11 °C | 23.5 °C | 1442.44 mm |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 11 - Mar. 20 |
| Average Days With Frost | 40-50 Days |
| Plant Hardiness Zone | Zone 8a : -12.2°C to -9.4°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 |