Andersonville, Tennessee has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 47.5 °F (low) to 69.1 °F (high). Annual precipitation averages 57.1 Inches. Andersonville is located in USDA Plant Hardiness Zone 7b. The growing season typically runs from the last frost around Apr. 11 - Apr. 20 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 28.0 °F | 46.9 °F | 5.13 in. |
| February | 31.0 °F | 51.6 °F | 5.43 in. |
| March | 37.3 °F | 60.7 °F | 5.31 in. |
| April | 45.8 °F | 70.7 °F | 5.35 in. |
| May | 55.4 °F | 78.3 °F | 4.38 in. |
| June | 63.3 °F | 84.5 °F | 4.77 in. |
| July | 67.3 °F | 87.1 °F | 5.57 in. |
| August | 66.2 °F | 86.6 °F | 4.04 in. |
| September | 59.9 °F | 81.8 °F | 3.95 in. |
| October | 47.5 °F | 71.2 °F | 3.15 in. |
| November | 36.4 °F | 59.5 °F | 4.21 in. |
| December | 31.4 °F | 50.0 °F | 5.77 in. |
| Annual | 47.5 °F | 69.1 °F | 57.06 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 75-100 Days |
| Plant Hardiness Zone | Zone 7b : 5°F to 10°F |
| Plant Hardiness Zone - 2012 | Zone 7a : 0°F to 5°F |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |