Leesburg, Georgia has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 55 °F (low) to 77.1 °F (high). Annual precipitation averages 49.9 Inches. Leesburg is located in USDA Plant Hardiness Zone 8b. The growing season typically runs from the last frost around Mar. 1 - Mar. 10 through the first frost around Nov. 11 - Nov. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 37.2 °F | 59.6 °F | 4.88 in. |
| February | 40.3 °F | 63.3 °F | 4.17 in. |
| March | 46.2 °F | 70.6 °F | 4.64 in. |
| April | 53.4 °F | 77.6 °F | 3.96 in. |
| May | 62.3 °F | 85.0 °F | 2.77 in. |
| June | 69.5 °F | 89.7 °F | 4.83 in. |
| July | 72.1 °F | 91.9 °F | 4.85 in. |
| August | 71.6 °F | 91.0 °F | 4.98 in. |
| September | 66.6 °F | 87.0 °F | 4.15 in. |
| October | 55.5 °F | 78.8 °F | 2.73 in. |
| November | 44.9 °F | 69.3 °F | 3.17 in. |
| December | 39.8 °F | 61.9 °F | 4.74 in. |
| Annual | 55 °F | 77.1 °F | 49.87 in. |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 1 - Mar. 10 |
| Average Days With Frost | 30-40 Days |
| Plant Hardiness Zone | Zone 8b : 15°F to 20°F |
| Plant Hardiness Zone - 2012 | Zone 8b : 15°F to 20°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |