Damascus, Virginia has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 41.6 °F (low) to 66.3 °F (high). Annual precipitation averages 51.1 Inches. Damascus 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 | 22.8 °F | 44.3 °F | 4.59 in. |
| February | 25.7 °F | 48.7 °F | 3.45 in. |
| March | 31.8 °F | 57.3 °F | 4.08 in. |
| April | 39.9 °F | 66.7 °F | 4.76 in. |
| May | 48.4 °F | 74.8 °F | 4.7 in. |
| June | 58.0 °F | 81.5 °F | 5.09 in. |
| July | 60.5 °F | 84.9 °F | 5.32 in. |
| August | 59.8 °F | 84.0 °F | 4.88 in. |
| September | 54.0 °F | 78.3 °F | 3.51 in. |
| October | 40.8 °F | 69.4 °F | 3.05 in. |
| November | 31.2 °F | 57.4 °F | 3.48 in. |
| December | 26.4 °F | 47.9 °F | 4.22 in. |
| Annual | 41.6 °F | 66.3 °F | 51.13 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 | Severe Drought |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |