Bon Aqua Junction, Tennessee has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 8.9 °C (low) to 20.5 °C (high). Annual precipitation averages 1418.4 Millimeters. Bon Aqua Junction 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 | -2.1 °C | 8.2 °C | 111.51 mm |
| February | -0.6 °C | 10.7 °C | 127.51 mm |
| March | 3.4 °C | 15.8 °C | 136.65 mm |
| April | 8.2 °C | 21.7 °C | 133.6 mm |
| May | 13.6 °C | 25.4 °C | 147.32 mm |
| June | 17.8 °C | 29.1 °C | 109.22 mm |
| July | 19.7 °C | 30.8 °C | 123.95 mm |
| August | 18.9 °C | 30.6 °C | 90.68 mm |
| September | 15.4 °C | 27.6 °C | 98.81 mm |
| October | 9.2 °C | 21.6 °C | 97.54 mm |
| November | 3.6 °C | 15.1 °C | 104.65 mm |
| December | -0.1 °C | 9.6 °C | 136.91 mm |
| Annual | 8.9 °C | 20.5 °C | 1418.35 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 |