Kingston Springs, Tennessee has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 8.1 °C (low) to 20.8 °C (high). Annual precipitation averages 1337.6 Millimeters. Kingston Springs 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 | 8.3 °C | 107.44 mm |
| February | -1.4 °C | 10.8 °C | 118.87 mm |
| March | 2.6 °C | 15.9 °C | 125.22 mm |
| April | 7.3 °C | 21.5 °C | 123.95 mm |
| May | 12.7 °C | 25.5 °C | 147.83 mm |
| June | 17.6 °C | 29.5 °C | 96.52 mm |
| July | 19.7 °C | 31.2 °C | 116.59 mm |
| August | 18.6 °C | 31.2 °C | 85.6 mm |
| September | 14.4 °C | 27.9 °C | 101.35 mm |
| October | 7.8 °C | 22.1 °C | 94.23 mm |
| November | 2.1 °C | 15.6 °C | 96.27 mm |
| December | -1.2 °C | 10.2 °C | 123.7 mm |
| Annual | 8.1 °C | 20.8 °C | 1337.57 mm |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| Average Days With Frost | 75-100 Days |
| Plant Hardiness Zone | Zone 7b : -15°C to -12.2°C |
| Plant Hardiness Zone - 2012 | Zone 6b : -20.6°C to -17.8°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |