Lexington, Virginia has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 6.3 °C (low) to 19.7 °C (high). Annual precipitation averages 1092 Millimeters. Lexington is located in USDA Plant Hardiness Zone 7a. The growing season typically runs from the last frost around Apr. 11 - Apr. 20 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -4.2 °C | 7.4 °C | 81.03 mm |
| February | -3.3 °C | 9.8 °C | 70.87 mm |
| March | 0.1 °C | 14.3 °C | 87.88 mm |
| April | 5.3 °C | 20.6 °C | 97.28 mm |
| May | 10.7 °C | 24.6 °C | 106.17 mm |
| June | 15.4 °C | 28.6 °C | 120.4 mm |
| July | 17.7 °C | 30.6 °C | 97.03 mm |
| August | 16.9 °C | 29.7 °C | 85.6 mm |
| September | 13.1 °C | 26.4 °C | 97.28 mm |
| October | 6.4 °C | 20.8 °C | 78.99 mm |
| November | 0.6 °C | 14.7 °C | 83.06 mm |
| December | -2.7 °C | 9.3 °C | 86.36 mm |
| Annual | 6.3 °C | 19.7 °C | 1091.95 mm |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 7a : -17.8°C to -15°C |
| Plant Hardiness Zone - 2012 | Zone 7a : -17.8°C to -15°C |
| Current Drought Conditions | Extreme Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |