Greenville, Georgia has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 51.2 °F (low) to 74.2 °F (high). Annual precipitation averages 52.3 Inches. Greenville 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. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 33.6 °F | 55.8 °F | 4.86 in. |
| February | 36.4 °F | 59.6 °F | 4.98 in. |
| March | 42.3 °F | 67.2 °F | 4.99 in. |
| April | 49.2 °F | 74.7 °F | 4.4 in. |
| May | 58.4 °F | 81.7 °F | 3.69 in. |
| June | 65.6 °F | 87.4 °F | 4.42 in. |
| July | 69.0 °F | 90.0 °F | 4.71 in. |
| August | 68.6 °F | 89.6 °F | 4.22 in. |
| September | 62.5 °F | 84.7 °F | 3.64 in. |
| October | 51.7 °F | 75.9 °F | 3.27 in. |
| November | 41.1 °F | 65.7 °F | 3.83 in. |
| December | 36.2 °F | 57.9 °F | 5.26 in. |
| Annual | 51.2 °F | 74.2 °F | 52.27 in. |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Mar. 21 - Mar. 31 |
| Average Days With Frost | 40-50 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 |