Andersonville, Georgia 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 1254 Millimeters. Andersonville 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 | 2.5 °C | 14.9 °C | 114.05 mm |
| February | 3.9 °C | 17 °C | 108.97 mm |
| March | 7.2 °C | 21.1 °C | 125.73 mm |
| April | 11.4 °C | 24.9 °C | 96.27 mm |
| May | 16.4 °C | 29.3 °C | 74.68 mm |
| June | 20.6 °C | 32.1 °C | 114.05 mm |
| July | 21.9 °C | 33.2 °C | 130.3 mm |
| August | 21.6 °C | 32.6 °C | 109.73 mm |
| September | 18.7 °C | 30.3 °C | 99.57 mm |
| October | 12.4 °C | 25.7 °C | 71.63 mm |
| November | 6.6 °C | 20.4 °C | 87.38 mm |
| December | 3.9 °C | 16.2 °C | 121.67 mm |
| Annual | 12.3 °C | 24.8 °C | 1254.03 mm |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 11 - Mar. 20 |
| Average Days With Frost | 30-40 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 | Abnormally Dry |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |