Wanchese, North Carolina has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 13.3 °C (low) to 20.8 °C (high). Annual precipitation averages 1309.9 Millimeters. Wanchese 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. 1 - Dec. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 3.1 °C | 11.2 °C | 107.44 mm |
| February | 3.6 °C | 12.1 °C | 83.31 mm |
| March | 6.3 °C | 15.1 °C | 89.41 mm |
| April | 11.3 °C | 19.6 °C | 82.04 mm |
| May | 16.1 °C | 23.9 °C | 92.71 mm |
| June | 20.9 °C | 28.1 °C | 117.6 mm |
| July | 23.2 °C | 30.3 °C | 129.54 mm |
| August | 22.9 °C | 29.5 °C | 157.23 mm |
| September | 20.9 °C | 27 °C | 140.46 mm |
| October | 15.7 °C | 22.5 °C | 110.74 mm |
| November | 9.7 °C | 17.2 °C | 98.55 mm |
| December | 5.6 °C | 13.4 °C | 100.84 mm |
| Annual | 13.3 °C | 20.8 °C | 1309.87 mm |
| Average First Frost Date | Dec. 1 - Dec. 10 |
| Average Last Frost Date | Mar. 1 - Mar. 10 |
| Average Days With Frost | 20-30 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 | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |