Dranesville, Virginia has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 7.6 °C (low) to 18.5 °C (high). Annual precipitation averages 1129.8 Millimeters. Dranesville is located in USDA Plant Hardiness Zone 7b. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -3.7 °C | 5.8 °C | 76.96 mm |
| February | -2.9 °C | 7.6 °C | 67.82 mm |
| March | 0.8 °C | 12.3 °C | 96.77 mm |
| April | 6.5 °C | 18.8 °C | 85.85 mm |
| May | 11.9 °C | 23.3 °C | 112.52 mm |
| June | 16.7 °C | 27.9 °C | 112.01 mm |
| July | 19.4 °C | 30.4 °C | 108.46 mm |
| August | 18.4 °C | 29.5 °C | 88.65 mm |
| September | 14.7 °C | 25.8 °C | 110.49 mm |
| October | 8.1 °C | 19.4 °C | 97.03 mm |
| November | 2.4 °C | 13.4 °C | 81.79 mm |
| December | -1.4 °C | 7.9 °C | 91.44 mm |
| Annual | 7.6 °C | 18.5 °C | 1129.79 mm |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 7b : -15°C to -12.2°C |
| Plant Hardiness Zone - 2012 | Zone 7a : -17.8°C to -15°C |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |