Holden Beach, North Carolina has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 13.5 °C (low) to 22.5 °C (high). Annual precipitation averages 1410.5 Millimeters. Holden Beach is located in USDA Plant Hardiness Zone 8b. The growing season typically runs from the last frost around Mar. 1 - Mar. 10 through the first frost around Nov. 11 - Nov. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 3.3 °C | 13.1 °C | 99.57 mm |
| February | 4.2 °C | 14.4 °C | 87.38 mm |
| March | 7.6 °C | 17.9 °C | 98.55 mm |
| April | 12.6 °C | 22.4 °C | 87.12 mm |
| May | 17.3 °C | 26.1 °C | 91.19 mm |
| June | 21.7 °C | 29.3 °C | 120.9 mm |
| July | 23.7 °C | 30.7 °C | 165.1 mm |
| August | 23 °C | 30.6 °C | 175.51 mm |
| September | 20.3 °C | 28.2 °C | 191.52 mm |
| October | 14.5 °C | 23.9 °C | 115.06 mm |
| November | 8.6 °C | 18.7 °C | 84.84 mm |
| December | 5 °C | 14.9 °C | 93.73 mm |
| Annual | 13.5 °C | 22.5 °C | 1410.47 mm |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 1 - Mar. 10 |
| Average Days With Frost | 30-40 Days |
| Plant Hardiness Zone | Zone 8b : -9.4°C to -6.7°C |
| Plant Hardiness Zone - 2012 | Zone 8a : -12.2°C to -9.4°C |
| Current Drought Conditions | Exceptional Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |