Timberville, Virginia has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 5.6 °C (low) to 18.8 °C (high). Annual precipitation averages 989.1 Millimeters. Timberville is located in USDA Plant Hardiness Zone 7a. 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 | -5.4 °C | 6.2 °C | 67.31 mm |
| February | -4.4 °C | 7.9 °C | 57.15 mm |
| March | -0.8 °C | 12.5 °C | 79.5 mm |
| April | 4.5 °C | 19.1 °C | 74.17 mm |
| May | 10.1 °C | 23.7 °C | 101.35 mm |
| June | 15.2 °C | 28.3 °C | 103.89 mm |
| July | 17.3 °C | 30.2 °C | 96.77 mm |
| August | 16.2 °C | 29.3 °C | 103.89 mm |
| September | 12.4 °C | 25.9 °C | 103.89 mm |
| October | 5.7 °C | 20 °C | 63.75 mm |
| November | 0.1 °C | 13.6 °C | 64.26 mm |
| December | -3.3 °C | 8.3 °C | 73.15 mm |
| Annual | 5.6 °C | 18.8 °C | 989.08 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 7a : -17.8°C to -15°C |
| Plant Hardiness Zone - 2012 | Zone 6b : -20.6°C to -17.8°C |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |