Valdese, North Carolina has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 8.4 °C (low) to 21 °C (high). Annual precipitation averages 1304.8 Millimeters. Valdese is located in USDA Plant Hardiness Zone 7b. 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 | -2.1 °C | 9.8 °C | 109.22 mm |
| February | -0.7 °C | 11.9 °C | 90.93 mm |
| March | 3 °C | 16.1 °C | 110.49 mm |
| April | 7.7 °C | 21.5 °C | 113.03 mm |
| May | 12.6 °C | 25.5 °C | 111 mm |
| June | 17.1 °C | 29.2 °C | 121.16 mm |
| July | 19.2 °C | 31.1 °C | 116.33 mm |
| August | 18.6 °C | 30.1 °C | 119.13 mm |
| September | 15.1 °C | 26.9 °C | 111.76 mm |
| October | 8.4 °C | 21.8 °C | 94.74 mm |
| November | 2.5 °C | 16.2 °C | 92.96 mm |
| December | -0.7 °C | 11.4 °C | 114.05 mm |
| Annual | 8.4 °C | 21 °C | 1304.8 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 7b : -15°C to -12.2°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 |