Lake Waccamaw, North Carolina has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 51.7 °F (low) to 74.3 °F (high). Annual precipitation averages 52.6 Inches. Lake Waccamaw is located in USDA Plant Hardiness Zone 8b. 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 | 33.0 °F | 56.5 °F | 3.71 in. |
| February | 35.3 °F | 59.4 °F | 3.35 in. |
| March | 41.2 °F | 66.6 °F | 3.82 in. |
| April | 49.9 °F | 74.8 °F | 3.48 in. |
| May | 58.7 °F | 81.4 °F | 3.89 in. |
| June | 67.2 °F | 87.4 °F | 5.18 in. |
| July | 71.0 °F | 90.4 °F | 5.64 in. |
| August | 69.6 °F | 88.8 °F | 6.12 in. |
| September | 64.1 °F | 84.0 °F | 6.65 in. |
| October | 52.4 °F | 75.7 °F | 3.75 in. |
| November | 41.8 °F | 66.6 °F | 3.43 in. |
| December | 36.5 °F | 59.4 °F | 3.61 in. |
| Annual | 51.7 °F | 74.3 °F | 52.63 in. |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Mar. 21 - Mar. 31 |
| Average Days With Frost | 50-75 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 |