Tennessee Ridge, Tennessee has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 8.8 °C (low) to 20.5 °C (high). Annual precipitation averages 1406.2 Millimeters. Tennessee Ridge is located in USDA Plant Hardiness Zone 7b. The growing season typically runs from the last frost around Apr. 1 - Apr. 10 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -2.7 °C | 7.8 °C | 112.27 mm |
| February | -1.1 °C | 10.3 °C | 113.54 mm |
| March | 3.3 °C | 15.6 °C | 129.29 mm |
| April | 8.2 °C | 21.2 °C | 139.19 mm |
| May | 13.7 °C | 25.3 °C | 154.94 mm |
| June | 17.9 °C | 29.4 °C | 107.44 mm |
| July | 19.9 °C | 31.1 °C | 117.6 mm |
| August | 19.2 °C | 31 °C | 88.14 mm |
| September | 15.2 °C | 27.7 °C | 95.76 mm |
| October | 9.2 °C | 21.9 °C | 109.73 mm |
| November | 3.3 °C | 15.2 °C | 108.46 mm |
| December | -0.5 °C | 9.4 °C | 129.79 mm |
| Annual | 8.8 °C | 20.5 °C | 1406.15 mm |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| Average Days With Frost | 50-75 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 |