Parksley, Virginia has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 9.9 °C (low) to 19.8 °C (high). Annual precipitation averages 1183.4 Millimeters. Parksley is located in USDA Plant Hardiness Zone 8a. The growing season typically runs from the last frost around Mar. 21 - Mar. 31 through the first frost around Nov. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -0.9 °C | 8.8 °C | 85.34 mm |
| February | -0.3 °C | 9.8 °C | 76.96 mm |
| March | 3.2 °C | 13.2 °C | 104.9 mm |
| April | 8.3 °C | 18.8 °C | 86.11 mm |
| May | 13.6 °C | 23.8 °C | 93.47 mm |
| June | 18.6 °C | 28.4 °C | 100.08 mm |
| July | 21.4 °C | 30.7 °C | 113.03 mm |
| August | 20.2 °C | 29.6 °C | 118.87 mm |
| September | 17.2 °C | 26.8 °C | 118.36 mm |
| October | 10.9 °C | 20.9 °C | 111 mm |
| November | 5.2 °C | 15.4 °C | 77.72 mm |
| December | 1.6 °C | 11 °C | 97.54 mm |
| Annual | 9.9 °C | 19.8 °C | 1183.38 mm |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Mar. 21 - Mar. 31 |
| 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 |