Gantt, Alabama has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 53.6 °F (low) to 78.2 °F (high). Annual precipitation averages 61.1 Inches. Gantt is located in USDA Plant Hardiness Zone 8b. 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 | 36.0 °F | 60.6 °F | 5.59 in. |
| February | 39.2 °F | 65.1 °F | 4.81 in. |
| March | 45.3 °F | 71.9 °F | 5.59 in. |
| April | 51.8 °F | 78.6 °F | 4.77 in. |
| May | 60.3 °F | 85.6 °F | 4.4 in. |
| June | 68.2 °F | 90.8 °F | 5.71 in. |
| July | 70.8 °F | 92.3 °F | 6.46 in. |
| August | 70.3 °F | 91.5 °F | 5.51 in. |
| September | 65.3 °F | 88.3 °F | 4.7 in. |
| October | 54.1 °F | 80.1 °F | 3.66 in. |
| November | 43.3 °F | 70.2 °F | 4.39 in. |
| December | 38.8 °F | 63.0 °F | 5.47 in. |
| Annual | 53.6 °F | 78.2 °F | 61.06 in. |
| 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 8b : 15°F to 20°F |
| Plant Hardiness Zone - 2012 | Zone 8a : 10°F to 15°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |