Lenox, Tennessee has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 49.9 °F (low) to 69.6 °F (high). Annual precipitation averages 53.2 Inches. Lenox is located in USDA Plant Hardiness Zone 7b. The growing season typically runs from the last frost around Mar. 21 - Mar. 31 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 28.9 °F | 45.8 °F | 3.93 in. |
| February | 32.1 °F | 50.4 °F | 4.43 in. |
| March | 39.9 °F | 59.7 °F | 5.08 in. |
| April | 49.3 °F | 70.5 °F | 5.27 in. |
| May | 59.6 °F | 79.1 °F | 5.57 in. |
| June | 67.5 °F | 86.8 °F | 4.41 in. |
| July | 70.8 °F | 89.5 °F | 3.97 in. |
| August | 68.6 °F | 88.7 °F | 3.14 in. |
| September | 61.2 °F | 83.1 °F | 3.52 in. |
| October | 49.4 °F | 72.7 °F | 4.12 in. |
| November | 39.4 °F | 59.6 °F | 4.56 in. |
| December | 32.3 °F | 49.1 °F | 5.16 in. |
| Annual | 49.9 °F | 69.6 °F | 53.16 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Mar. 21 - Mar. 31 |
| Average Days With Frost | 50-75 Days |
| Plant Hardiness Zone | Zone 7b : 5°F to 10°F |
| Plant Hardiness Zone - 2012 | Zone 7b : 5°F to 10°F |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |