Wilmington, North Carolina has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 52.9 °F (low) to 74.3 °F (high). Annual precipitation averages 61.3 Inches. Wilmington 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 | 34.5 °F | 57.1 °F | 3.95 in. |
| February | 36.0 °F | 59.7 °F | 3.57 in. |
| March | 42.1 °F | 66.4 °F | 4.02 in. |
| April | 51.4 °F | 74.1 °F | 3.48 in. |
| May | 60.0 °F | 80.9 °F | 4.31 in. |
| June | 68.3 °F | 86.8 °F | 5.54 in. |
| July | 71.8 °F | 90.1 °F | 7.05 in. |
| August | 70.4 °F | 88.5 °F | 7.81 in. |
| September | 65.3 °F | 84.1 °F | 9.14 in. |
| October | 53.9 °F | 76.2 °F | 4.9 in. |
| November | 43.4 °F | 67.5 °F | 3.65 in. |
| December | 37.1 °F | 60.2 °F | 3.89 in. |
| Annual | 52.9 °F | 74.3 °F | 61.31 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 | Severe Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |