Fulton, Mississippi has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 10.4 °C (low) to 23 °C (high). Annual precipitation averages 1523.7 Millimeters. Fulton 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 Nov. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -0.3 °C | 11.1 °C | 132.33 mm |
| February | 1.3 °C | 13.7 °C | 128.52 mm |
| March | 5.3 °C | 18.8 °C | 135.89 mm |
| April | 9.8 °C | 23.4 °C | 143.26 mm |
| May | 15 °C | 27.6 °C | 156.97 mm |
| June | 19.4 °C | 31.2 °C | 120.4 mm |
| July | 21.3 °C | 32.7 °C | 118.11 mm |
| August | 20.7 °C | 32.9 °C | 105.66 mm |
| September | 16.8 °C | 29.8 °C | 104.14 mm |
| October | 10.1 °C | 24.1 °C | 101.09 mm |
| November | 4.3 °C | 17.6 °C | 118.36 mm |
| December | 1.3 °C | 12.6 °C | 159 mm |
| Annual | 10.4 °C | 23 °C | 1523.73 mm |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| 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 |