Baileyton, Tennessee has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 7.8 °C (low) to 20.3 °C (high). Annual precipitation averages 1085.4 Millimeters. Baileyton 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 | -2.9 °C | 8.1 °C | 95.25 mm |
| February | -1.3 °C | 10.4 °C | 91.19 mm |
| March | 2.2 °C | 15.4 °C | 99.57 mm |
| April | 6.9 °C | 21.1 °C | 103.38 mm |
| May | 12.2 °C | 25.2 °C | 98.3 mm |
| June | 16.8 °C | 28.9 °C | 91.19 mm |
| July | 18.9 °C | 30.6 °C | 114.55 mm |
| August | 18.1 °C | 30.2 °C | 90.68 mm |
| September | 14.6 °C | 27.4 °C | 61.72 mm |
| October | 7.8 °C | 21.7 °C | 61.21 mm |
| November | 1.7 °C | 15.1 °C | 71.88 mm |
| December | -1.1 °C | 9.8 °C | 106.43 mm |
| Annual | 7.8 °C | 20.3 °C | 1085.35 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 | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |