Oak Ridge, North Carolina has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 49.2 °F (low) to 69.1 °F (high). Annual precipitation averages 46.8 Inches. Oak Ridge 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 Nov. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 29.8 °F | 48.7 °F | 4.04 in. |
| February | 32.2 °F | 52.6 °F | 3.05 in. |
| March | 39.1 °F | 60.2 °F | 4.07 in. |
| April | 48.0 °F | 69.9 °F | 4.0 in. |
| May | 57.0 °F | 77.0 °F | 3.72 in. |
| June | 65.2 °F | 84.3 °F | 4.27 in. |
| July | 69.0 °F | 87.7 °F | 4.28 in. |
| August | 67.6 °F | 85.9 °F | 4.31 in. |
| September | 61.4 °F | 80.1 °F | 4.59 in. |
| October | 49.3 °F | 70.6 °F | 3.36 in. |
| November | 38.8 °F | 60.1 °F | 3.37 in. |
| December | 32.9 °F | 51.6 °F | 3.69 in. |
| Annual | 49.2 °F | 69.1 °F | 46.75 in. |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| Average Days With Frost | 50-75 Days |
| Plant Hardiness Zone | Zone 8a : 10°F to 15°F |
| Plant Hardiness Zone - 2012 | Zone 7b : 5°F to 10°F |
| Current Drought Conditions | Exceptional Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |