Fulton, Alabama has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 52.7 °F (low) to 76.1 °F (high). Annual precipitation averages 58.3 Inches. Fulton 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 | 34.8 °F | 58.0 °F | 5.58 in. |
| February | 38.6 °F | 62.4 °F | 5.1 in. |
| March | 44.3 °F | 70.1 °F | 5.81 in. |
| April | 50.6 °F | 76.3 °F | 4.38 in. |
| May | 59.5 °F | 83.5 °F | 4.11 in. |
| June | 67.8 °F | 89.1 °F | 5.42 in. |
| July | 70.5 °F | 91.2 °F | 5.65 in. |
| August | 69.3 °F | 90.0 °F | 4.73 in. |
| September | 64.2 °F | 86.2 °F | 4.12 in. |
| October | 53.1 °F | 78.4 °F | 3.39 in. |
| November | 42.2 °F | 67.6 °F | 4.45 in. |
| December | 37.4 °F | 60.2 °F | 5.55 in. |
| Annual | 52.7 °F | 76.1 °F | 58.29 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 |