Gumlog, Georgia has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 51.1 °F (low) to 72.6 °F (high). Annual precipitation averages 52.2 Inches. Gumlog 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. 11 - Nov. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 32.4 °F | 53.1 °F | 4.73 in. |
| February | 35.3 °F | 56.9 °F | 4.49 in. |
| March | 41.5 °F | 64.4 °F | 4.78 in. |
| April | 49.2 °F | 73.4 °F | 3.99 in. |
| May | 58.4 °F | 80.5 °F | 3.88 in. |
| June | 66.6 °F | 87.3 °F | 4.49 in. |
| July | 70.0 °F | 90.4 °F | 4.24 in. |
| August | 69.2 °F | 88.6 °F | 4.83 in. |
| September | 63.4 °F | 83.5 °F | 3.94 in. |
| October | 51.4 °F | 74.1 °F | 3.93 in. |
| November | 40.4 °F | 63.5 °F | 3.98 in. |
| December | 35.2 °F | 55.5 °F | 4.95 in. |
| Annual | 51.1 °F | 72.6 °F | 52.23 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 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 |