Sandersville, Mississippi has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 11.7 °C (low) to 24.6 °C (high). Annual precipitation averages 1505.2 Millimeters. Sandersville 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. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 1.9 °C | 14.6 °C | 148.34 mm |
| February | 3.7 °C | 17.1 °C | 134.87 mm |
| March | 7.2 °C | 21.1 °C | 150.62 mm |
| April | 11 °C | 24.8 °C | 130.3 mm |
| May | 15.8 °C | 28.7 °C | 106.93 mm |
| June | 20.1 °C | 31.8 °C | 133.6 mm |
| July | 21.4 °C | 32.9 °C | 140.97 mm |
| August | 21 °C | 32.8 °C | 128.02 mm |
| September | 18.2 °C | 30.7 °C | 97.03 mm |
| October | 11.4 °C | 25.7 °C | 82.8 mm |
| November | 5.7 °C | 19.8 °C | 111 mm |
| December | 3.1 °C | 15.7 °C | 140.72 mm |
| Annual | 11.7 °C | 24.6 °C | 1505.2 mm |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Mar. 11 - Mar. 20 |
| Average Days With Frost | 40-50 Days |
| Plant Hardiness Zone | Zone 8b : -9.4°C to -6.7°C |
| Plant Hardiness Zone - 2012 | Zone 8a : -12.2°C to -9.4°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |