South Hill, Virginia has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 47.4 °F (low) to 69.6 °F (high). Annual precipitation averages 46 Inches. South Hill is located in USDA Plant Hardiness Zone 7b. The growing season typically runs from the last frost around Apr. 1 - Apr. 10 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 28.0 °F | 48.6 °F | 3.46 in. |
| February | 29.6 °F | 52.4 °F | 2.73 in. |
| March | 36.0 °F | 59.7 °F | 4.07 in. |
| April | 45.8 °F | 70.2 °F | 3.46 in. |
| May | 55.2 °F | 77.5 °F | 3.84 in. |
| June | 63.8 °F | 85.4 °F | 4.45 in. |
| July | 67.9 °F | 89.0 °F | 4.73 in. |
| August | 66.5 °F | 87.1 °F | 4.22 in. |
| September | 60.3 °F | 81.3 °F | 4.75 in. |
| October | 47.6 °F | 71.0 °F | 3.55 in. |
| November | 37.0 °F | 60.6 °F | 3.26 in. |
| December | 31.5 °F | 52.1 °F | 3.52 in. |
| Annual | 47.4 °F | 69.6 °F | 46.04 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| Average Days With Frost | 75-100 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 |