Waynesboro, Virginia has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 43.8 °F (low) to 65.5 °F (high). Annual precipitation averages 43.7 Inches. Waynesboro 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 | 24.5 °F | 43.7 °F | 3.09 in. |
| February | 26.6 °F | 47.2 °F | 2.32 in. |
| March | 32.6 °F | 54.8 °F | 3.9 in. |
| April | 42.4 °F | 66.5 °F | 3.73 in. |
| May | 51.6 °F | 73.9 °F | 4.05 in. |
| June | 60.0 °F | 81.9 °F | 4.13 in. |
| July | 64.1 °F | 85.3 °F | 3.83 in. |
| August | 62.5 °F | 84.1 °F | 3.32 in. |
| September | 55.6 °F | 77.8 °F | 5.13 in. |
| October | 44.1 °F | 67.5 °F | 3.47 in. |
| November | 33.9 °F | 56.5 °F | 3.55 in. |
| December | 28.0 °F | 47.0 °F | 3.14 in. |
| Annual | 43.8 °F | 65.5 °F | 43.66 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 | Extreme Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |