Kennedy, Alabama has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 10.4 °C (low) to 23.5 °C (high). Annual precipitation averages 1437.4 Millimeters. Kennedy 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 | -0.1 °C | 12.2 °C | 137.67 mm |
| February | 1.6 °C | 14.7 °C | 142.75 mm |
| March | 5.3 °C | 19.4 °C | 135.89 mm |
| April | 9.6 °C | 23.8 °C | 137.92 mm |
| May | 14.7 °C | 27.9 °C | 104.14 mm |
| June | 19.1 °C | 31.4 °C | 121.92 mm |
| July | 21.1 °C | 33 °C | 119.63 mm |
| August | 20.5 °C | 32.9 °C | 108.71 mm |
| September | 16.9 °C | 30.2 °C | 85.85 mm |
| October | 10 °C | 24.8 °C | 92.46 mm |
| November | 4.1 °C | 18.3 °C | 111 mm |
| December | 1.4 °C | 13.4 °C | 139.45 mm |
| Annual | 10.4 °C | 23.5 °C | 1437.39 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 | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |