Stonewall, North Carolina has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 53.4 °F (low) to 73.1 °F (high). Annual precipitation averages 57.5 Inches. Stonewall 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 | 34.5 °F | 55.3 °F | 4.0 in. |
| February | 36.4 °F | 58.2 °F | 3.51 in. |
| March | 42.2 °F | 64.5 °F | 3.69 in. |
| April | 51.1 °F | 73.3 °F | 3.51 in. |
| May | 60.0 °F | 79.9 °F | 4.43 in. |
| June | 67.7 °F | 86.4 °F | 5.39 in. |
| July | 71.3 °F | 89.1 °F | 6.68 in. |
| August | 70.4 °F | 87.6 °F | 7.5 in. |
| September | 66.3 °F | 83.2 °F | 6.96 in. |
| October | 56.0 °F | 75.0 °F | 4.22 in. |
| November | 45.6 °F | 65.6 °F | 3.81 in. |
| December | 39.1 °F | 58.5 °F | 3.83 in. |
| Annual | 53.4 °F | 73.1 °F | 57.53 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 |