Kenton, Tennessee has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 48.4 °F (low) to 69.7 °F (high). Annual precipitation averages 53.7 Inches. Kenton 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 | 27.6 °F | 45.7 °F | 4.03 in. |
| February | 30.7 °F | 50.3 °F | 4.65 in. |
| March | 38.5 °F | 59.9 °F | 5.22 in. |
| April | 47.7 °F | 70.6 °F | 5.22 in. |
| May | 58.2 °F | 79.3 °F | 5.49 in. |
| June | 66.1 °F | 86.8 °F | 4.62 in. |
| July | 69.4 °F | 89.8 °F | 4.09 in. |
| August | 67.1 °F | 89.3 °F | 3.16 in. |
| September | 59.2 °F | 83.4 °F | 3.57 in. |
| October | 47.4 °F | 72.7 °F | 3.98 in. |
| November | 37.5 °F | 59.5 °F | 4.53 in. |
| December | 30.8 °F | 49.2 °F | 5.09 in. |
| Annual | 48.4 °F | 69.7 °F | 53.65 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Mar. 21 - Mar. 31 |
| Average Days With Frost | 75-100 Days |
| Plant Hardiness Zone | Zone 7b : 5°F to 10°F |
| Plant Hardiness Zone - 2012 | Zone 7a : 0°F to 5°F |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |