Halifax, Virginia has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 46.2 °F (low) to 69.5 °F (high). Annual precipitation averages 46.4 Inches. Halifax 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 | 26.9 °F | 48.5 °F | 3.6 in. |
| February | 28.5 °F | 52.1 °F | 2.82 in. |
| March | 35.1 °F | 60.2 °F | 4.25 in. |
| April | 44.6 °F | 70.5 °F | 3.89 in. |
| May | 54.1 °F | 77.8 °F | 4.15 in. |
| June | 62.7 °F | 85.2 °F | 4.77 in. |
| July | 67.0 °F | 88.7 °F | 4.04 in. |
| August | 65.3 °F | 87.0 °F | 3.41 in. |
| September | 58.9 °F | 81.2 °F | 4.88 in. |
| October | 46.0 °F | 70.8 °F | 3.73 in. |
| November | 35.1 °F | 60.6 °F | 3.33 in. |
| December | 30.1 °F | 51.7 °F | 3.56 in. |
| Annual | 46.2 °F | 69.5 °F | 46.43 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 100-125 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 | Extreme Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |