Eatonton, Georgia has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 10.5 °C (low) to 23.5 °C (high). Annual precipitation averages 1211.1 Millimeters. Eatonton is located in USDA Plant Hardiness Zone 8b. 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 | 0.4 °C | 13.3 °C | 108.2 mm |
| February | 1.8 °C | 15.3 °C | 109.73 mm |
| March | 5.1 °C | 19.4 °C | 120.9 mm |
| April | 9.3 °C | 23.7 °C | 92.96 mm |
| May | 14.4 °C | 27.8 °C | 78.49 mm |
| June | 19.1 °C | 31.1 °C | 112.27 mm |
| July | 21 °C | 32.8 °C | 107.95 mm |
| August | 20.6 °C | 32 °C | 109.22 mm |
| September | 17.2 °C | 29.3 °C | 100.33 mm |
| October | 10.7 °C | 24.2 °C | 71.37 mm |
| November | 4.6 °C | 18.9 °C | 86.36 mm |
| December | 1.7 °C | 14.4 °C | 113.28 mm |
| Annual | 10.5 °C | 23.5 °C | 1211.06 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 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 |