Reidsville, North Carolina has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 9.3 °C (low) to 20.7 °C (high). Annual precipitation averages 1196.1 Millimeters. Reidsville 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 Nov. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -1.3 °C | 9.3 °C | 98.3 mm |
| February | -0.1 °C | 11.3 °C | 77.22 mm |
| March | 3.6 °C | 15.6 °C | 104.9 mm |
| April | 8.5 °C | 21.1 °C | 107.19 mm |
| May | 13.6 °C | 25.1 °C | 97.79 mm |
| June | 18.1 °C | 29.2 °C | 108.46 mm |
| July | 20.3 °C | 31.1 °C | 108.46 mm |
| August | 19.4 °C | 30.1 °C | 103.63 mm |
| September | 16 °C | 26.8 °C | 121.67 mm |
| October | 9.3 °C | 21.5 °C | 87.63 mm |
| November | 3.7 °C | 15.8 °C | 89.41 mm |
| December | 0.4 °C | 10.9 °C | 91.44 mm |
| Annual | 9.3 °C | 20.7 °C | 1196.1 mm |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| Average Days With Frost | 50-75 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 | Exceptional Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |