Atlantic Beach, North Carolina has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 14.2 °C (low) to 21.6 °C (high). Annual precipitation averages 1499.4 Millimeters. Atlantic Beach 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. 21 - Nov. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 3.8 °C | 12.4 °C | 107.7 mm |
| February | 4.7 °C | 13.3 °C | 93.73 mm |
| March | 7.8 °C | 16.6 °C | 92.46 mm |
| April | 12.8 °C | 20.6 °C | 92.46 mm |
| May | 17.6 °C | 24.7 °C | 108.46 mm |
| June | 22.1 °C | 28.2 °C | 115.06 mm |
| July | 24.1 °C | 29.9 °C | 144.53 mm |
| August | 23.5 °C | 29.7 °C | 180.85 mm |
| September | 21.3 °C | 27.7 °C | 218.44 mm |
| October | 15.8 °C | 23.4 °C | 129.79 mm |
| November | 10.1 °C | 18.3 °C | 106.68 mm |
| December | 6.3 °C | 14.3 °C | 109.22 mm |
| Annual | 14.2 °C | 21.6 °C | 1499.38 mm |
| Average First Frost Date | Nov. 21 - Nov. 30 |
| Average Last Frost Date | Mar. 11 - Mar. 20 |
| 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 | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |