Jeffersonville, Georgia has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 11.7 °C (low) to 24.2 °C (high). Annual precipitation averages 1213.4 Millimeters. Jeffersonville 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 | 1.7 °C | 14.2 °C | 112.78 mm |
| February | 3.3 °C | 16.3 °C | 113.28 mm |
| March | 6.7 °C | 20.4 °C | 114.81 mm |
| April | 10.7 °C | 24.4 °C | 90.42 mm |
| May | 15.7 °C | 28.4 °C | 73.91 mm |
| June | 19.8 °C | 31.4 °C | 113.28 mm |
| July | 21.6 °C | 33.1 °C | 117.86 mm |
| August | 21.2 °C | 32.2 °C | 112.01 mm |
| September | 18.2 °C | 29.7 °C | 97.54 mm |
| October | 12.1 °C | 24.8 °C | 72.14 mm |
| November | 6.1 °C | 19.7 °C | 78.99 mm |
| December | 3.1 °C | 15.6 °C | 116.33 mm |
| Annual | 11.7 °C | 24.2 °C | 1213.35 mm |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| 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 | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |