Holly Ridge, North Carolina has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 54.8 °F (low) to 73.2 °F (high). Annual precipitation averages 59.5 Inches. Holly Ridge 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 | 36.5 °F | 55.8 °F | 3.87 in. |
| February | 38.0 °F | 58.7 °F | 3.64 in. |
| March | 43.2 °F | 65.2 °F | 4.01 in. |
| April | 52.1 °F | 73.0 °F | 3.48 in. |
| May | 61.3 °F | 79.6 °F | 4.3 in. |
| June | 69.7 °F | 85.7 °F | 5.29 in. |
| July | 72.9 °F | 88.9 °F | 6.09 in. |
| August | 71.7 °F | 87.5 °F | 8.06 in. |
| September | 67.3 °F | 83.3 °F | 8.39 in. |
| October | 57.1 °F | 75.2 °F | 4.58 in. |
| November | 46.7 °F | 66.2 °F | 4.13 in. |
| December | 40.5 °F | 59.1 °F | 3.63 in. |
| Annual | 54.8 °F | 73.2 °F | 59.47 in. |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 11 - Mar. 20 |
| Average Days With Frost | 30-40 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 |