Cape Carteret, North Carolina has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 55.3 °F (low) to 71.5 °F (high). Annual precipitation averages 60.4 Inches. Cape Carteret 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 | 36.6 °F | 54.8 °F | 4.26 in. |
| February | 38.3 °F | 56.6 °F | 3.99 in. |
| March | 43.7 °F | 62.9 °F | 3.83 in. |
| April | 52.5 °F | 70.1 °F | 3.71 in. |
| May | 61.7 °F | 77.5 °F | 4.33 in. |
| June | 69.7 °F | 83.4 °F | 5.33 in. |
| July | 73.9 °F | 86.1 °F | 7.16 in. |
| August | 72.5 °F | 85.6 °F | 7.44 in. |
| September | 67.8 °F | 82.0 °F | 7.19 in. |
| October | 58.1 °F | 74.6 °F | 4.99 in. |
| November | 47.3 °F | 65.5 °F | 4.15 in. |
| December | 40.9 °F | 58.3 °F | 4.05 in. |
| Annual | 55.3 °F | 71.5 °F | 60.43 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 |