Lexington, North Carolina has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 9 °C (low) to 21.3 °C (high). Annual precipitation averages 1148.3 Millimeters. Lexington is located in USDA Plant Hardiness Zone 8a. 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 | -1.6 °C | 10.1 °C | 92.71 mm |
| February | -0.3 °C | 12.3 °C | 82.3 mm |
| March | 3.4 °C | 16.5 °C | 102.11 mm |
| April | 8.3 °C | 21.9 °C | 99.82 mm |
| May | 13.4 °C | 25.7 °C | 86.61 mm |
| June | 18 °C | 29.7 °C | 101.09 mm |
| July | 20.2 °C | 31.3 °C | 111.51 mm |
| August | 19.4 °C | 30.4 °C | 112.52 mm |
| September | 15.8 °C | 27.3 °C | 104.9 mm |
| October | 8.7 °C | 22.3 °C | 80.01 mm |
| November | 3 °C | 16.3 °C | 85.09 mm |
| December | -0.1 °C | 11.7 °C | 89.66 mm |
| Annual | 9 °C | 21.3 °C | 1148.33 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 8a : -12.2°C to -9.4°C |
| Plant Hardiness Zone - 2012 | Zone 7b : -15°C to -12.2°C |
| Current Drought Conditions | Extreme Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |