Woodfin, North Carolina has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 6.6 °C (low) to 19.6 °C (high). Annual precipitation averages 1054.1 Millimeters. Woodfin 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 | -3.4 °C | 8.4 °C | 81.79 mm |
| February | -2.1 °C | 10.6 °C | 74.93 mm |
| March | 1.2 °C | 14.7 °C | 88.9 mm |
| April | 5.6 °C | 20.2 °C | 98.55 mm |
| May | 10.6 °C | 24.2 °C | 90.93 mm |
| June | 15.1 °C | 27.7 °C | 89.92 mm |
| July | 17.1 °C | 29.3 °C | 106.43 mm |
| August | 16.6 °C | 28.7 °C | 101.85 mm |
| September | 13.1 °C | 25.9 °C | 90.17 mm |
| October | 6.6 °C | 20.7 °C | 67.56 mm |
| November | 0.8 °C | 14.8 °C | 77.22 mm |
| December | -1.8 °C | 10.1 °C | 85.85 mm |
| Annual | 6.6 °C | 19.6 °C | 1054.1 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 7a : -17.8°C to -15°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |