Oak Hall, Virginia has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 9.3 °C (low) to 19.8 °C (high). Annual precipitation averages 1167.7 Millimeters. Oak Hall is located in USDA Plant Hardiness Zone 8a. The growing season typically runs from the last frost around Apr. 1 - Apr. 10 through the first frost around Nov. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -1.4 °C | 8.5 °C | 86.36 mm |
| February | -0.9 °C | 9.7 °C | 76.71 mm |
| March | 2.7 °C | 13.3 °C | 104.65 mm |
| April | 7.7 °C | 19 °C | 84.84 mm |
| May | 12.9 °C | 23.7 °C | 88.65 mm |
| June | 18.1 °C | 28.2 °C | 96.52 mm |
| July | 20.8 °C | 30.7 °C | 107.95 mm |
| August | 19.7 °C | 29.7 °C | 118.11 mm |
| September | 16.6 °C | 26.8 °C | 119.89 mm |
| October | 10.2 °C | 21.2 °C | 106.43 mm |
| November | 4.6 °C | 15.4 °C | 77.98 mm |
| December | 0.9 °C | 10.8 °C | 99.57 mm |
| Annual | 9.3 °C | 19.8 °C | 1167.66 mm |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| Average Days With Frost | 50-75 Days |
| Plant Hardiness Zone | Zone 8a : -12.2°C to -9.4°C |
| Plant Hardiness Zone - 2012 | Zone 8a : -12.2°C to -9.4°C |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |