Roanoke, Virginia has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 46.6 °F (low) to 67.9 °F (high). Annual precipitation averages 45.8 Inches. Roanoke 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 | 27.7 °F | 46.3 °F | 3.48 in. |
| February | 29.6 °F | 50.5 °F | 2.8 in. |
| March | 36.0 °F | 58.6 °F | 3.68 in. |
| April | 45.0 °F | 69.2 °F | 3.58 in. |
| May | 54.1 °F | 76.6 °F | 4.78 in. |
| June | 62.5 °F | 83.6 °F | 4.64 in. |
| July | 66.6 °F | 87.3 °F | 3.99 in. |
| August | 65.0 °F | 85.5 °F | 3.95 in. |
| September | 58.6 °F | 79.3 °F | 4.51 in. |
| October | 46.6 °F | 69.4 °F | 3.71 in. |
| November | 36.3 °F | 59.2 °F | 3.13 in. |
| December | 30.6 °F | 49.7 °F | 3.56 in. |
| Annual | 46.6 °F | 67.9 °F | 45.81 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 7b : 5°F to 10°F |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |