Granite Quarry, North Carolina has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 8.6 °C (low) to 21.3 °C (high). Annual precipitation averages 1130.3 Millimeters. Granite Quarry 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 | -1.9 °C | 10.3 °C | 88.39 mm |
| February | -0.8 °C | 12.3 °C | 75.44 mm |
| March | 2.8 °C | 16.6 °C | 105.16 mm |
| April | 7.8 °C | 21.7 °C | 98.3 mm |
| May | 13.1 °C | 25.6 °C | 85.09 mm |
| June | 17.7 °C | 29.6 °C | 111.25 mm |
| July | 19.9 °C | 31.3 °C | 105.66 mm |
| August | 19.1 °C | 30.3 °C | 109.22 mm |
| September | 15.5 °C | 27.3 °C | 101.85 mm |
| October | 8.3 °C | 22.1 °C | 80.52 mm |
| November | 2.3 °C | 16.4 °C | 81.79 mm |
| December | -0.7 °C | 11.8 °C | 87.63 mm |
| Annual | 8.6 °C | 21.3 °C | 1130.3 mm |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| Average Days With Frost | 50-75 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 | Extreme Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |