Wilkesboro, North Carolina has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 7.8 °C (low) to 21 °C (high). Annual precipitation averages 1317 Millimeters. Wilkesboro 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 | -2.8 °C | 9.7 °C | 111.25 mm |
| February | -1.6 °C | 11.8 °C | 85.85 mm |
| March | 2 °C | 16.1 °C | 111.76 mm |
| April | 6.8 °C | 21.4 °C | 121.67 mm |
| May | 12.2 °C | 25.6 °C | 122.94 mm |
| June | 16.8 °C | 29.3 °C | 116.08 mm |
| July | 19 °C | 31.1 °C | 119.13 mm |
| August | 18.2 °C | 30.2 °C | 132.59 mm |
| September | 14.6 °C | 27 °C | 103.38 mm |
| October | 7.6 °C | 22.1 °C | 96.52 mm |
| November | 1.7 °C | 16.2 °C | 84.84 mm |
| December | -1.4 °C | 11.3 °C | 111 mm |
| Annual | 7.8 °C | 21 °C | 1317.01 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 7a : -17.8°C to -15°C |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |