Kenton, Tennessee has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 9.1 °C (low) to 21 °C (high). Annual precipitation averages 1362.7 Millimeters. 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 | -2.4 °C | 7.6 °C | 102.36 mm |
| February | -0.7 °C | 10.2 °C | 118.11 mm |
| March | 3.6 °C | 15.5 °C | 132.59 mm |
| April | 8.7 °C | 21.4 °C | 132.59 mm |
| May | 14.6 °C | 26.3 °C | 139.45 mm |
| June | 18.9 °C | 30.4 °C | 117.35 mm |
| July | 20.8 °C | 32.1 °C | 103.89 mm |
| August | 19.5 °C | 31.8 °C | 80.26 mm |
| September | 15.1 °C | 28.6 °C | 90.68 mm |
| October | 8.6 °C | 22.6 °C | 101.09 mm |
| November | 3.1 °C | 15.3 °C | 115.06 mm |
| December | -0.7 °C | 9.6 °C | 129.29 mm |
| Annual | 9.1 °C | 21 °C | 1362.72 mm |
| 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 : -15°C to -12.2°C |
| Plant Hardiness Zone - 2012 | Zone 7a : -17.8°C to -15°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |