Winterville, Georgia has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 50.6 °F (low) to 72.9 °F (high). Annual precipitation averages 51 Inches. Winterville 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 | 32.2 °F | 54.0 °F | 4.66 in. |
| February | 35.1 °F | 57.6 °F | 4.53 in. |
| March | 41.2 °F | 65.6 °F | 4.58 in. |
| April | 48.9 °F | 73.8 °F | 3.67 in. |
| May | 57.8 °F | 80.7 °F | 3.41 in. |
| June | 65.8 °F | 87.1 °F | 5.03 in. |
| July | 69.3 °F | 90.0 °F | 4.26 in. |
| August | 68.4 °F | 88.6 °F | 4.51 in. |
| September | 62.4 °F | 83.5 °F | 3.98 in. |
| October | 51.0 °F | 74.0 °F | 3.68 in. |
| November | 39.9 °F | 64.2 °F | 3.81 in. |
| December | 34.7 °F | 56.0 °F | 4.92 in. |
| Annual | 50.6 °F | 72.9 °F | 51.04 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 |