Bunn, North Carolina has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 9.6 °C (low) to 21.6 °C (high). Annual precipitation averages 1218.2 Millimeters. Bunn 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 | -1.1 °C | 10.6 °C | 91.19 mm |
| February | -0.1 °C | 12.6 °C | 73.66 mm |
| March | 3.5 °C | 16.7 °C | 106.17 mm |
| April | 8.6 °C | 22 °C | 90.42 mm |
| May | 13.8 °C | 25.8 °C | 92.46 mm |
| June | 18.4 °C | 29.8 °C | 110.24 mm |
| July | 20.8 °C | 31.8 °C | 124.97 mm |
| August | 19.9 °C | 30.8 °C | 127.76 mm |
| September | 16.7 °C | 27.6 °C | 140.72 mm |
| October | 9.7 °C | 22.3 °C | 87.38 mm |
| November | 3.7 °C | 16.9 °C | 86.11 mm |
| December | 0.7 °C | 12.3 °C | 87.12 mm |
| Annual | 9.6 °C | 21.6 °C | 1218.2 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 | Severe Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |