Culloden, Georgia has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 52.3 °F (low) to 75 °F (high). Annual precipitation averages 49.8 Inches. Culloden 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. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 34.5 °F | 56.8 °F | 4.51 in. |
| February | 37.4 °F | 60.7 °F | 4.48 in. |
| March | 43.4 °F | 68.4 °F | 4.99 in. |
| April | 50.4 °F | 75.5 °F | 3.9 in. |
| May | 59.3 °F | 82.8 °F | 3.04 in. |
| June | 67.0 °F | 88.1 °F | 4.36 in. |
| July | 70.1 °F | 90.7 °F | 5.0 in. |
| August | 69.6 °F | 89.6 °F | 4.3 in. |
| September | 63.9 °F | 85.0 °F | 3.8 in. |
| October | 52.7 °F | 76.3 °F | 3.05 in. |
| November | 42.4 °F | 66.8 °F | 3.67 in. |
| December | 37.1 °F | 58.9 °F | 4.73 in. |
| Annual | 52.3 °F | 75 °F | 49.83 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 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 |