Hatteras, North Carolina has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 14.5 °C (low) to 20.9 °C (high). Annual precipitation averages 1396.5 Millimeters. Hatteras is located in USDA Plant Hardiness Zone 9a. The growing season typically runs from the last frost around Mar. 1 - Mar. 10 through the first frost around Dec. 11 - Dec. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 4.7 °C | 12.1 °C | 110.24 mm |
| February | 5.1 °C | 12.6 °C | 94.74 mm |
| March | 7.9 °C | 15.1 °C | 98.55 mm |
| April | 12.7 °C | 19.5 °C | 91.95 mm |
| May | 17.2 °C | 23.6 °C | 97.28 mm |
| June | 21.8 °C | 27.6 °C | 111 mm |
| July | 23.9 °C | 29.6 °C | 119.89 mm |
| August | 23.7 °C | 29.3 °C | 176.02 mm |
| September | 21.7 °C | 27.2 °C | 156.21 mm |
| October | 16.7 °C | 22.8 °C | 129.29 mm |
| November | 11.2 °C | 17.6 °C | 109.47 mm |
| December | 7.2 °C | 14.1 °C | 101.85 mm |
| Annual | 14.5 °C | 20.9 °C | 1396.49 mm |
| Average First Frost Date | Dec. 11 - Dec. 20 |
| Average Last Frost Date | Mar. 1 - Mar. 10 |
| Average Days With Frost | 10-20 Days |
| Plant Hardiness Zone | Zone 9a : -6.7°C to -3.9°C |
| Plant Hardiness Zone - 2012 | Zone 8b : -9.4°C to -6.7°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |