Roxboro, North Carolina has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 8.8 °C (low) to 21 °C (high). Annual precipitation averages 1199.4 Millimeters. Roxboro 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 | -1.8 °C | 9.7 °C | 94.23 mm |
| February | -0.7 °C | 11.8 °C | 74.42 mm |
| March | 3.1 °C | 16.2 °C | 108.71 mm |
| April | 8.1 °C | 21.5 °C | 100.08 mm |
| May | 13.3 °C | 25.3 °C | 101.35 mm |
| June | 17.6 °C | 29.4 °C | 108.97 mm |
| July | 20 °C | 30.9 °C | 114.81 mm |
| August | 19.1 °C | 30.3 °C | 96.27 mm |
| September | 15.5 °C | 27.3 °C | 125.98 mm |
| October | 8.4 °C | 21.8 °C | 91.69 mm |
| November | 2.6 °C | 16.3 °C | 87.12 mm |
| December | -0.1 °C | 11.4 °C | 95.76 mm |
| Annual | 8.8 °C | 21 °C | 1199.39 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 7b : -15°C to -12.2°C |
| Current Drought Conditions | Exceptional Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |