Winterville, Mississippi has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 53.6 °F (low) to 73.8 °F (high). Annual precipitation averages 54.4 Inches. Winterville 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 | 34.2 °F | 52.0 °F | 5.25 in. |
| February | 37.0 °F | 56.5 °F | 5.17 in. |
| March | 44.7 °F | 65.2 °F | 5.18 in. |
| April | 53.4 °F | 74.2 °F | 5.82 in. |
| May | 63.0 °F | 82.4 °F | 4.87 in. |
| June | 70.3 °F | 89.3 °F | 3.56 in. |
| July | 72.9 °F | 91.6 °F | 3.84 in. |
| August | 71.1 °F | 91.8 °F | 3.15 in. |
| September | 64.4 °F | 87.2 °F | 3.42 in. |
| October | 52.9 °F | 76.9 °F | 3.97 in. |
| November | 42.8 °F | 64.3 °F | 4.67 in. |
| December | 36.8 °F | 54.7 °F | 5.51 in. |
| Annual | 53.6 °F | 73.8 °F | 54.41 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 | Exceptional Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |