Walnut Cove, North Carolina has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 46.6 °F (low) to 69.7 °F (high). Annual precipitation averages 46.8 Inches. Walnut Cove is located in USDA Plant Hardiness Zone 7b. The growing season typically runs from the last frost around Apr. 1 - Apr. 10 through the first frost around Nov. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 27.4 °F | 49.4 °F | 3.72 in. |
| February | 29.6 °F | 53.3 °F | 3.02 in. |
| March | 36.3 °F | 60.7 °F | 4.08 in. |
| April | 45.0 °F | 70.4 °F | 4.02 in. |
| May | 54.1 °F | 77.6 °F | 4.15 in. |
| June | 62.9 °F | 84.6 °F | 4.21 in. |
| July | 67.0 °F | 88.6 °F | 4.54 in. |
| August | 65.5 °F | 86.5 °F | 4.27 in. |
| September | 58.9 °F | 80.8 °F | 4.5 in. |
| October | 46.0 °F | 71.7 °F | 3.34 in. |
| November | 35.3 °F | 60.6 °F | 3.11 in. |
| December | 30.6 °F | 52.4 °F | 3.83 in. |
| Annual | 46.6 °F | 69.7 °F | 46.79 in. |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| Average Days With Frost | 75-100 Days |
| Plant Hardiness Zone | Zone 7b : 5°F to 10°F |
| Plant Hardiness Zone - 2012 | Zone 7b : 5°F to 10°F |
| Current Drought Conditions | Extreme Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |