Boones Mill, Virginia has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 45.5 °F (low) to 67 °F (high). Annual precipitation averages 47.8 Inches. Boones Mill 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 Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 26.6 °F | 45.6 °F | 3.58 in. |
| February | 28.5 °F | 49.5 °F | 2.93 in. |
| March | 34.8 °F | 57.7 °F | 3.87 in. |
| April | 43.9 °F | 68.3 °F | 4.06 in. |
| May | 53.1 °F | 75.6 °F | 4.87 in. |
| June | 61.3 °F | 82.5 °F | 4.73 in. |
| July | 65.6 °F | 86.0 °F | 4.37 in. |
| August | 64.1 °F | 84.3 °F | 3.88 in. |
| September | 57.5 °F | 78.2 °F | 4.89 in. |
| October | 45.8 °F | 68.6 °F | 3.59 in. |
| November | 35.4 °F | 58.5 °F | 3.33 in. |
| December | 29.7 °F | 48.9 °F | 3.65 in. |
| Annual | 45.5 °F | 67 °F | 47.75 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| 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 7a : 0°F to 5°F |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |