Oak Ridge, Louisiana has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 53.3 °F (low) to 76 °F (high). Annual precipitation averages 57.7 Inches. Oak Ridge is located in USDA Plant Hardiness Zone 8b. The growing season typically runs from the last frost around Mar. 1 - Mar. 10 through the first frost around Nov. 11 - Nov. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 34.6 °F | 55.8 °F | 5.59 in. |
| February | 37.9 °F | 60.4 °F | 5.04 in. |
| March | 44.8 °F | 68.1 °F | 5.51 in. |
| April | 52.3 °F | 76.2 °F | 6.5 in. |
| May | 61.8 °F | 83.7 °F | 4.97 in. |
| June | 69.0 °F | 90.0 °F | 4.1 in. |
| July | 72.0 °F | 92.7 °F | 3.85 in. |
| August | 71.0 °F | 93.3 °F | 3.92 in. |
| September | 64.2 °F | 88.4 °F | 3.4 in. |
| October | 52.5 °F | 78.9 °F | 4.52 in. |
| November | 42.8 °F | 66.6 °F | 4.73 in. |
| December | 36.8 °F | 58.3 °F | 5.59 in. |
| Annual | 53.3 °F | 76 °F | 57.72 in. |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 1 - Mar. 10 |
| Average Days With Frost | 30-40 Days |
| Plant Hardiness Zone | Zone 8b : 15°F to 20°F |
| Plant Hardiness Zone - 2012 | Zone 8b : 15°F to 20°F |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |