Unadilla, Georgia has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 54.1 °F (low) to 76.3 °F (high). Annual precipitation averages 48.6 Inches. Unadilla 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 | 36.4 °F | 58.5 °F | 4.52 in. |
| February | 39.2 °F | 62.2 °F | 4.3 in. |
| March | 45.0 °F | 69.4 °F | 4.77 in. |
| April | 52.5 °F | 76.7 °F | 3.73 in. |
| May | 61.5 °F | 84.3 °F | 2.9 in. |
| June | 69.1 °F | 89.3 °F | 4.61 in. |
| July | 71.6 °F | 91.5 °F | 4.79 in. |
| August | 70.8 °F | 90.5 °F | 4.4 in. |
| September | 65.4 °F | 86.3 °F | 3.91 in. |
| October | 54.5 °F | 78.0 °F | 2.84 in. |
| November | 43.8 °F | 68.4 °F | 3.27 in. |
| December | 38.8 °F | 60.8 °F | 4.51 in. |
| Annual | 54.1 °F | 76.3 °F | 48.55 in. |
| 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 : 15°F to 20°F |
| Plant Hardiness Zone - 2012 | Zone 8a : 10°F to 15°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |