Pinnacle, North Carolina has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 7.8 °C (low) to 20.5 °C (high). Annual precipitation averages 1225.8 Millimeters. Pinnacle 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 | -2.7 °C | 9.1 °C | 97.03 mm |
| February | -1.6 °C | 11.2 °C | 79.25 mm |
| March | 1.9 °C | 15.5 °C | 104.39 mm |
| April | 6.8 °C | 21.1 °C | 106.93 mm |
| May | 12.1 °C | 25 °C | 108.97 mm |
| June | 16.6 °C | 28.9 °C | 113.54 mm |
| July | 18.9 °C | 30.8 °C | 119.89 mm |
| August | 18.2 °C | 29.9 °C | 115.57 mm |
| September | 14.7 °C | 26.6 °C | 111 mm |
| October | 7.7 °C | 21.4 °C | 85.85 mm |
| November | 1.9 °C | 15.6 °C | 83.06 mm |
| December | -1.2 °C | 10.7 °C | 100.33 mm |
| Annual | 7.8 °C | 20.5 °C | 1225.81 mm |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 100-125 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 | Extreme Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |