Dendron, Virginia has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 9.1 °C (low) to 21.3 °C (high). Annual precipitation averages 1282.7 Millimeters. Dendron 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 | -1.7 °C | 9.8 °C | 93.47 mm |
| February | -1 °C | 11.8 °C | 67.06 mm |
| March | 2.7 °C | 15.8 °C | 105.16 mm |
| April | 8.1 °C | 21.7 °C | 89.41 mm |
| May | 13.4 °C | 25.7 °C | 100.33 mm |
| June | 18.1 °C | 29.8 °C | 120.4 mm |
| July | 20.5 °C | 31.9 °C | 141.22 mm |
| August | 19.6 °C | 30.9 °C | 140.97 mm |
| September | 16.3 °C | 27.8 °C | 146.56 mm |
| October | 9.4 °C | 22.3 °C | 103.38 mm |
| November | 3.6 °C | 16.8 °C | 79.5 mm |
| December | 0.1 °C | 11.8 °C | 95.25 mm |
| Annual | 9.1 °C | 21.3 °C | 1282.71 mm |
| 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 : -15°C to -12.2°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 |