Franklin, Georgia has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 50.4 °F (low) to 74.4 °F (high). Annual precipitation averages 53.5 Inches. Franklin is located in USDA Plant Hardiness Zone 8a. 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 | 32.5 °F | 55.5 °F | 5.19 in. |
| February | 35.3 °F | 59.5 °F | 5.05 in. |
| March | 41.4 °F | 67.4 °F | 5.18 in. |
| April | 48.0 °F | 75.1 °F | 4.45 in. |
| May | 57.3 °F | 82.1 °F | 3.61 in. |
| June | 65.3 °F | 87.8 °F | 4.28 in. |
| July | 68.7 °F | 91.7 °F | 4.77 in. |
| August | 68.2 °F | 89.7 °F | 4.31 in. |
| September | 62.5 °F | 84.9 °F | 3.76 in. |
| October | 50.5 °F | 75.8 °F | 3.4 in. |
| November | 39.9 °F | 65.8 °F | 4.32 in. |
| December | 35.1 °F | 57.8 °F | 5.19 in. |
| Annual | 50.4 °F | 74.4 °F | 53.51 in. |
| 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 8a : 10°F to 15°F |
| Plant Hardiness Zone - 2012 | Zone 7b : 5°F to 10°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |