Frankewing, Tennessee has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 8.6 °C (low) to 21.5 °C (high). Annual precipitation averages 1509 Millimeters. Frankewing is located in USDA Plant Hardiness Zone 7b. The growing season typically runs from the last frost around Apr. 11 - Apr. 20 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -1.8 °C | 9.3 °C | 133.1 mm |
| February | -0.3 °C | 11.8 °C | 137.92 mm |
| March | 3.4 °C | 16.7 °C | 145.29 mm |
| April | 7.7 °C | 21.8 °C | 131.83 mm |
| May | 13.1 °C | 26 °C | 123.44 mm |
| June | 17.6 °C | 30.1 °C | 126.24 mm |
| July | 19.7 °C | 31.6 °C | 124.46 mm |
| August | 18.8 °C | 31.4 °C | 117.09 mm |
| September | 14.9 °C | 28.7 °C | 106.93 mm |
| October | 8.2 °C | 22.9 °C | 98.04 mm |
| November | 2.4 °C | 16.3 °C | 106.17 mm |
| December | -0.5 °C | 11 °C | 158.5 mm |
| Annual | 8.6 °C | 21.5 °C | 1509.01 mm |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| 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 | Abnormally Dry |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |