Brandermill, Virginia has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 46.8 °F (low) to 69.3 °F (high). Annual precipitation averages 46.3 Inches. Brandermill 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 | 26.8 °F | 48.1 °F | 3.5 in. |
| February | 28.4 °F | 51.4 °F | 2.73 in. |
| March | 35.0 °F | 59.3 °F | 4.12 in. |
| April | 45.3 °F | 70.2 °F | 3.43 in. |
| May | 54.8 °F | 77.1 °F | 4.06 in. |
| June | 63.6 °F | 84.9 °F | 4.09 in. |
| July | 67.5 °F | 89.2 °F | 4.5 in. |
| August | 66.3 °F | 87.3 °F | 4.6 in. |
| September | 59.7 °F | 81.3 °F | 4.68 in. |
| October | 47.4 °F | 71.0 °F | 3.62 in. |
| November | 36.6 °F | 60.5 °F | 3.33 in. |
| December | 30.0 °F | 51.4 °F | 3.61 in. |
| Annual | 46.8 °F | 69.3 °F | 46.27 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 |