Troutville, Virginia has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 44.6 °F (low) to 66.4 °F (high). Annual precipitation averages 47 Inches. Troutville 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 | 25.6 °F | 44.5 °F | 3.44 in. |
| February | 27.6 °F | 48.5 °F | 2.79 in. |
| March | 33.9 °F | 57.0 °F | 3.67 in. |
| April | 42.9 °F | 67.7 °F | 4.09 in. |
| May | 52.4 °F | 75.3 °F | 4.77 in. |
| June | 59.8 °F | 82.2 °F | 4.99 in. |
| July | 64.4 °F | 85.6 °F | 4.58 in. |
| August | 63.4 °F | 84.1 °F | 3.81 in. |
| September | 56.8 °F | 78.1 °F | 4.56 in. |
| October | 45.2 °F | 68.2 °F | 3.56 in. |
| November | 34.5 °F | 57.7 °F | 3.19 in. |
| December | 28.8 °F | 47.9 °F | 3.58 in. |
| Annual | 44.6 °F | 66.4 °F | 47.03 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 |