Cedar Rock, North Carolina has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 8.3 °C (low) to 20.7 °C (high). Annual precipitation averages 1325.1 Millimeters. Cedar Rock 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 | -2.4 °C | 9.7 °C | 108.71 mm |
| February | -0.9 °C | 11.6 °C | 87.38 mm |
| March | 2.8 °C | 15.7 °C | 109.98 mm |
| April | 7.6 °C | 21.2 °C | 117.6 mm |
| May | 12.5 °C | 25.3 °C | 122.43 mm |
| June | 16.9 °C | 28.9 °C | 120.9 mm |
| July | 19.2 °C | 30.9 °C | 124.97 mm |
| August | 18.4 °C | 29.9 °C | 126.49 mm |
| September | 15 °C | 26.8 °C | 111.25 mm |
| October | 8.2 °C | 21.7 °C | 96.77 mm |
| November | 2.5 °C | 15.9 °C | 89.92 mm |
| December | -0.8 °C | 11.2 °C | 108.71 mm |
| Annual | 8.3 °C | 20.7 °C | 1325.11 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 |