Auburntown, Tennessee has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 8.2 °C (low) to 21.2 °C (high). Annual precipitation averages 1441.7 Millimeters. Auburntown 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 | -2.6 °C | 8.7 °C | 126.75 mm |
| February | -1.1 °C | 11.3 °C | 127.25 mm |
| March | 2.6 °C | 16.1 °C | 136.14 mm |
| April | 7.2 °C | 21.7 °C | 122.43 mm |
| May | 12.7 °C | 26.1 °C | 124.46 mm |
| June | 17.3 °C | 30 °C | 129.03 mm |
| July | 19.7 °C | 31.6 °C | 141.22 mm |
| August | 18.6 °C | 31.4 °C | 97.54 mm |
| September | 14.7 °C | 28.5 °C | 100.58 mm |
| October | 7.8 °C | 22.7 °C | 87.38 mm |
| November | 2.1 °C | 15.8 °C | 96.52 mm |
| December | -0.7 °C | 10.5 °C | 152.4 mm |
| Annual | 8.2 °C | 21.2 °C | 1441.7 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 | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |