Nellysford, Virginia has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 45.1 °F (low) to 67.7 °F (high). Annual precipitation averages 46 Inches. Nellysford is located in USDA Plant Hardiness Zone 7b. The growing season typically runs from the last frost around Apr. 11 - Apr. 20 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 25.9 °F | 46.3 °F | 3.36 in. |
| February | 27.6 °F | 50.0 °F | 2.79 in. |
| March | 34.0 °F | 58.0 °F | 3.88 in. |
| April | 43.5 °F | 69.3 °F | 3.66 in. |
| May | 52.8 °F | 75.8 °F | 4.37 in. |
| June | 61.1 °F | 83.5 °F | 4.26 in. |
| July | 65.2 °F | 87.0 °F | 4.14 in. |
| August | 63.6 °F | 85.6 °F | 3.59 in. |
| September | 57.1 °F | 79.2 °F | 5.01 in. |
| October | 45.4 °F | 69.5 °F | 3.68 in. |
| November | 35.6 °F | 59.2 °F | 3.47 in. |
| December | 29.3 °F | 49.4 °F | 3.76 in. |
| Annual | 45.1 °F | 67.7 °F | 45.97 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| 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 | Extreme Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |