Fayette, Mississippi has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 12.3 °C (low) to 24.8 °C (high). Annual precipitation averages 1548.1 Millimeters. Fayette is located in USDA Plant Hardiness Zone 8b. The growing season typically runs from the last frost around Mar. 1 - Mar. 10 through the first frost around Nov. 11 - Nov. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 2.8 °C | 14.6 °C | 154.18 mm |
| February | 4.2 °C | 17.1 °C | 142.75 mm |
| March | 8.1 °C | 21.2 °C | 146.56 mm |
| April | 11.8 °C | 24.9 °C | 140.46 mm |
| May | 16.4 °C | 28.7 °C | 118.36 mm |
| June | 20.5 °C | 31.9 °C | 129.03 mm |
| July | 21.8 °C | 32.9 °C | 125.48 mm |
| August | 21.4 °C | 33.2 °C | 116.84 mm |
| September | 18.3 °C | 30.9 °C | 105.41 mm |
| October | 12 °C | 26.1 °C | 105.16 mm |
| November | 6.8 °C | 20.1 °C | 122.68 mm |
| December | 3.9 °C | 15.8 °C | 141.22 mm |
| Annual | 12.3 °C | 24.8 °C | 1548.13 mm |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 1 - Mar. 10 |
| Average Days With Frost | 20-30 Days |
| Plant Hardiness Zone | Zone 8b : -9.4°C to -6.7°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 |