Franklin Springs, Georgia has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 50.3 °F (low) to 72.3 °F (high). Annual precipitation averages 51 Inches. Franklin Springs 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. 11 - Nov. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 32.1 °F | 53.2 °F | 4.53 in. |
| February | 34.9 °F | 57.1 °F | 4.47 in. |
| March | 40.7 °F | 64.6 °F | 4.7 in. |
| April | 48.5 °F | 72.8 °F | 3.83 in. |
| May | 57.5 °F | 79.9 °F | 3.65 in. |
| June | 65.6 °F | 86.6 °F | 4.57 in. |
| July | 69.2 °F | 89.7 °F | 4.16 in. |
| August | 68.3 °F | 88.0 °F | 4.59 in. |
| September | 62.4 °F | 82.9 °F | 4.02 in. |
| October | 50.5 °F | 73.4 °F | 3.66 in. |
| November | 39.7 °F | 63.7 °F | 3.89 in. |
| December | 34.7 °F | 55.5 °F | 4.89 in. |
| Annual | 50.3 °F | 72.3 °F | 50.96 in. |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| 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 8a : 10°F to 15°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |