Chickasaw, Alabama has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 14.3 °C (low) to 24.9 °C (high). Annual precipitation averages 1761.5 Millimeters. Chickasaw is located in USDA Plant Hardiness Zone 9a. The growing season typically runs from the last frost around Feb. 21 - Feb. 29 through the first frost around Nov. 21 - Nov. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 4.3 °C | 15.5 °C | 146.3 mm |
| February | 6.3 °C | 17.5 °C | 118.62 mm |
| March | 9.8 °C | 21.1 °C | 135.13 mm |
| April | 13.6 °C | 24.6 °C | 143.26 mm |
| May | 18.3 °C | 28.6 °C | 140.72 mm |
| June | 22.1 °C | 31.4 °C | 179.83 mm |
| July | 23.3 °C | 32.6 °C | 198.88 mm |
| August | 23.2 °C | 32.5 °C | 189.23 mm |
| September | 21 °C | 30.7 °C | 151.38 mm |
| October | 15.1 °C | 26.3 °C | 106.93 mm |
| November | 9 °C | 20.8 °C | 111 mm |
| December | 6 °C | 16.7 °C | 140.21 mm |
| Annual | 14.3 °C | 24.9 °C | 1761.49 mm |
| Average First Frost Date | Nov. 21 - Nov. 30 |
| Average Last Frost Date | Feb. 21 - Feb. 29 |
| Average Days With Frost | 10-20 Days |
| Plant Hardiness Zone | Zone 9a : -6.7°C to -3.9°C |
| Plant Hardiness Zone - 2012 | Zone 8b : -9.4°C to -6.7°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |