Rodanthe, North Carolina has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 14.3 °C (low) to 20.7 °C (high). Annual precipitation averages 1384.6 Millimeters. Rodanthe 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 | 4.4 °C | 11.8 °C | 108.71 mm |
| February | 4.8 °C | 12.3 °C | 88.39 mm |
| March | 7.5 °C | 14.8 °C | 93.22 mm |
| April | 12.2 °C | 19 °C | 90.17 mm |
| May | 16.9 °C | 23.3 °C | 99.31 mm |
| June | 21.6 °C | 27.4 °C | 117.6 mm |
| July | 23.8 °C | 29.6 °C | 130.56 mm |
| August | 23.6 °C | 29.1 °C | 173.48 mm |
| September | 21.7 °C | 26.8 °C | 158.5 mm |
| October | 16.6 °C | 22.6 °C | 118.36 mm |
| November | 11.1 °C | 17.4 °C | 105.16 mm |
| December | 7.1 °C | 13.9 °C | 101.09 mm |
| Annual | 14.3 °C | 20.7 °C | 1384.55 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 |