Atlantic, North Carolina has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 14 °C (low) to 22.1 °C (high). Annual precipitation averages 1520.5 Millimeters. Atlantic 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 | 3.5 °C | 12.6 °C | 116.08 mm |
| February | 4.5 °C | 13.4 °C | 95.76 mm |
| March | 7.8 °C | 16.8 °C | 97.54 mm |
| April | 12.8 °C | 21.6 °C | 94.74 mm |
| May | 17.6 °C | 25.6 °C | 111 mm |
| June | 21.9 °C | 29.3 °C | 114.55 mm |
| July | 23.9 °C | 31 °C | 161.29 mm |
| August | 23.4 °C | 30.4 °C | 203.45 mm |
| September | 21.2 °C | 27.9 °C | 184.91 mm |
| October | 15.6 °C | 23.4 °C | 117.86 mm |
| November | 9.8 °C | 18.3 °C | 109.22 mm |
| December | 6.1 °C | 14.4 °C | 114.05 mm |
| Annual | 14 °C | 22.1 °C | 1520.45 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 8b : -9.4°C to -6.7°C |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |