Lenoir City, Tennessee has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 48.4 °F (low) to 69.8 °F (high). Annual precipitation averages 56 Inches. Lenoir City 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 | 28.9 °F | 47.8 °F | 5.06 in. |
| February | 31.8 °F | 52.3 °F | 5.3 in. |
| March | 38.3 °F | 61.1 °F | 5.07 in. |
| April | 46.8 °F | 70.9 °F | 5.18 in. |
| May | 56.2 °F | 78.7 °F | 4.25 in. |
| June | 64.3 °F | 85.3 °F | 4.34 in. |
| July | 68.1 °F | 88.2 °F | 5.95 in. |
| August | 67.0 °F | 87.6 °F | 3.52 in. |
| September | 60.7 °F | 82.9 °F | 4.09 in. |
| October | 48.5 °F | 71.8 °F | 3.35 in. |
| November | 37.5 °F | 60.0 °F | 4.18 in. |
| December | 32.3 °F | 50.8 °F | 5.72 in. |
| Annual | 48.4 °F | 69.8 °F | 56.01 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 7a : 0°F to 5°F |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |