Toms Brook, Virginia has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 42.7 °F (low) to 65.4 °F (high). Annual precipitation averages 39 Inches. Toms Brook is located in USDA Plant Hardiness Zone 7a. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 22.9 °F | 42.5 °F | 2.71 in. |
| February | 24.5 °F | 45.9 °F | 2.21 in. |
| March | 31.1 °F | 54.1 °F | 3.03 in. |
| April | 40.9 °F | 66.0 °F | 2.98 in. |
| May | 50.5 °F | 74.1 °F | 4.25 in. |
| June | 59.4 °F | 82.2 °F | 4.33 in. |
| July | 63.4 °F | 86.3 °F | 3.76 in. |
| August | 61.8 °F | 84.9 °F | 3.34 in. |
| September | 54.4 °F | 78.7 °F | 4.15 in. |
| October | 42.9 °F | 67.6 °F | 2.83 in. |
| November | 33.2 °F | 56.2 °F | 2.59 in. |
| December | 26.8 °F | 46.3 °F | 2.78 in. |
| Annual | 42.7 °F | 65.4 °F | 38.96 in. |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 7a : 0°F to 5°F |
| Plant Hardiness Zone - 2012 | Zone 6b : -5°F to 0°F |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |