Sparta, Georgia has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 51.7 °F (low) to 74.4 °F (high). Annual precipitation averages 46.2 Inches. Sparta is located in USDA Plant Hardiness Zone 8b. The growing season typically runs from the last frost around Mar. 11 - Mar. 20 through the first frost around Nov. 11 - Nov. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 33.8 °F | 56.2 °F | 4.06 in. |
| February | 36.1 °F | 59.8 °F | 4.09 in. |
| March | 42.2 °F | 67.4 °F | 4.62 in. |
| April | 49.9 °F | 74.9 °F | 3.13 in. |
| May | 58.8 °F | 82.0 °F | 3.38 in. |
| June | 66.7 °F | 87.8 °F | 4.14 in. |
| July | 70.2 °F | 91.0 °F | 4.67 in. |
| August | 69.2 °F | 89.4 °F | 4.28 in. |
| September | 63.5 °F | 84.5 °F | 3.68 in. |
| October | 52.2 °F | 75.7 °F | 2.79 in. |
| November | 41.3 °F | 66.2 °F | 3.04 in. |
| December | 36.1 °F | 58.4 °F | 4.27 in. |
| Annual | 51.7 °F | 74.4 °F | 46.15 in. |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 11 - Mar. 20 |
| Average Days With Frost | 40-50 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 | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |