Lewisville, North Carolina has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 47.6 °F (low) to 69.5 °F (high). Annual precipitation averages 46.2 Inches. Lewisville is located in USDA Plant Hardiness Zone 7b. The growing season typically runs from the last frost around Apr. 11 - Apr. 20 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 28.6 °F | 49.0 °F | 3.7 in. |
| February | 30.6 °F | 53.1 °F | 3.18 in. |
| March | 37.2 °F | 60.7 °F | 4.0 in. |
| April | 46.1 °F | 70.4 °F | 4.09 in. |
| May | 55.5 °F | 77.6 °F | 3.94 in. |
| June | 63.8 °F | 84.8 °F | 4.15 in. |
| July | 67.8 °F | 88.0 °F | 4.44 in. |
| August | 66.4 °F | 86.4 °F | 4.35 in. |
| September | 59.9 °F | 80.4 °F | 4.07 in. |
| October | 47.3 °F | 71.0 °F | 3.32 in. |
| November | 36.9 °F | 60.5 °F | 3.18 in. |
| December | 31.2 °F | 51.9 °F | 3.82 in. |
| Annual | 47.6 °F | 69.5 °F | 46.24 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| 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 |