Heathsville, Virginia has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 9.3 °C (low) to 20 °C (high). Annual precipitation averages 1194.3 Millimeters. Heathsville 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 | -1.8 °C | 8.2 °C | 83.82 mm |
| February | -1.2 °C | 9.6 °C | 71.63 mm |
| March | 2.6 °C | 13.9 °C | 104.9 mm |
| April | 8.1 °C | 19.9 °C | 85.85 mm |
| May | 13.3 °C | 24.3 °C | 97.28 mm |
| June | 18.3 °C | 28.8 °C | 110.24 mm |
| July | 20.8 °C | 31.1 °C | 121.92 mm |
| August | 19.9 °C | 30 °C | 123.19 mm |
| September | 16.7 °C | 26.9 °C | 116.59 mm |
| October | 10.2 °C | 21.2 °C | 107.95 mm |
| November | 4.3 °C | 15.3 °C | 77.98 mm |
| December | 0.7 °C | 10.3 °C | 92.96 mm |
| Annual | 9.3 °C | 20 °C | 1194.31 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 7b : -15°C to -12.2°C |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |