Oak City, North Carolina has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 10.2 °C (low) to 21.8 °C (high). Annual precipitation averages 1261.9 Millimeters. Oak City is located in USDA Plant Hardiness Zone 8a. The growing season typically runs from the last frost around Mar. 21 - Mar. 31 through the first frost around Nov. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -0.4 °C | 10.9 °C | 93.98 mm |
| February | 0.6 °C | 12.7 °C | 77.22 mm |
| March | 4.2 °C | 16.7 °C | 101.85 mm |
| April | 9.4 °C | 22.1 °C | 90.93 mm |
| May | 14.6 °C | 25.9 °C | 90.93 mm |
| June | 19.1 °C | 29.9 °C | 121.92 mm |
| July | 21.3 °C | 31.7 °C | 135.89 mm |
| August | 20.3 °C | 30.7 °C | 135.38 mm |
| September | 17.1 °C | 27.8 °C | 153.67 mm |
| October | 10.3 °C | 22.7 °C | 90.93 mm |
| November | 4.3 °C | 17.2 °C | 83.06 mm |
| December | 1.3 °C | 12.7 °C | 86.11 mm |
| Annual | 10.2 °C | 21.8 °C | 1261.87 mm |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Mar. 21 - Mar. 31 |
| Average Days With Frost | 50-75 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 | Extreme Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |