Boonville, North Carolina has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 45.4 °F (low) to 69.1 °F (high). Annual precipitation averages 48.5 Inches. Boonville 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 | 26.7 °F | 48.7 °F | 3.83 in. |
| February | 28.6 °F | 52.5 °F | 3.11 in. |
| March | 34.9 °F | 60.2 °F | 4.09 in. |
| April | 43.6 °F | 70.1 °F | 4.3 in. |
| May | 53.1 °F | 77.4 °F | 4.29 in. |
| June | 61.5 °F | 84.3 °F | 4.47 in. |
| July | 65.6 °F | 87.5 °F | 4.85 in. |
| August | 64.3 °F | 85.9 °F | 4.69 in. |
| September | 57.7 °F | 80.1 °F | 4.17 in. |
| October | 45.1 °F | 70.8 °F | 3.39 in. |
| November | 34.7 °F | 60.3 °F | 3.26 in. |
| December | 29.2 °F | 51.5 °F | 4.0 in. |
| Annual | 45.4 °F | 69.1 °F | 48.45 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 100-125 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 |