Chadbourn, North Carolina has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 11.1 °C (low) to 23.2 °C (high). Annual precipitation averages 1295.2 Millimeters. Chadbourn is located in USDA Plant Hardiness Zone 8b. The growing season typically runs from the last frost around Mar. 21 - Mar. 31 through the first frost around Nov. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 0.8 °C | 13.2 °C | 91.69 mm |
| February | 2.1 °C | 14.8 °C | 84.07 mm |
| March | 5.3 °C | 18.9 °C | 95.25 mm |
| April | 10.2 °C | 23.7 °C | 88.14 mm |
| May | 15 °C | 27.3 °C | 98.3 mm |
| June | 19.7 °C | 30.7 °C | 127.51 mm |
| July | 21.7 °C | 32.3 °C | 135.13 mm |
| August | 20.9 °C | 31.5 °C | 149.86 mm |
| September | 17.8 °C | 28.7 °C | 159.77 mm |
| October | 11.3 °C | 24.1 °C | 89.92 mm |
| November | 5.4 °C | 18.8 °C | 84.07 mm |
| December | 2.4 °C | 14.7 °C | 91.44 mm |
| Annual | 11.1 °C | 23.2 °C | 1295.15 mm |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Mar. 21 - Mar. 31 |
| Average Days With Frost | 50-75 Days |
| Plant Hardiness Zone | Zone 8b : -9.4°C to -6.7°C |
| Plant Hardiness Zone - 2012 | Zone 8a : -12.2°C to -9.4°C |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |