Timberlake, Virginia has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 7.2 °C (low) to 19.5 °C (high). Annual precipitation averages 1118.9 Millimeters. Timberlake is located in USDA Plant Hardiness Zone 7b. The growing season typically runs from the last frost around Apr. 11 - Apr. 20 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -3.5 °C | 7.8 °C | 90.68 mm |
| February | -2.6 °C | 9.8 °C | 71.88 mm |
| March | 1.1 °C | 14.4 °C | 91.69 mm |
| April | 6.3 °C | 20.3 °C | 98.04 mm |
| May | 11.7 °C | 24 °C | 105.41 mm |
| June | 16.2 °C | 28.1 °C | 98.55 mm |
| July | 18.6 °C | 30.1 °C | 103.12 mm |
| August | 17.7 °C | 29.2 °C | 81.79 mm |
| September | 13.9 °C | 25.8 °C | 104.9 mm |
| October | 7.2 °C | 20.5 °C | 93.73 mm |
| November | 1.4 °C | 14.8 °C | 84.84 mm |
| December | -1.8 °C | 9.6 °C | 94.23 mm |
| Annual | 7.2 °C | 19.5 °C | 1118.86 mm |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 75-100 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 | Severe Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |