Conasauga, Tennessee has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 9.3 °C (low) to 21.6 °C (high). Annual precipitation averages 1420.6 Millimeters. Conasauga is located in USDA Plant Hardiness Zone 8a. 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 | -1.1 °C | 9.8 °C | 128.78 mm |
| February | 0.2 °C | 12.3 °C | 118.87 mm |
| March | 3.9 °C | 16.9 °C | 137.41 mm |
| April | 8.3 °C | 22.1 °C | 121.92 mm |
| May | 13.6 °C | 26.3 °C | 107.19 mm |
| June | 18.1 °C | 30 °C | 119.13 mm |
| July | 20.2 °C | 31.7 °C | 138.68 mm |
| August | 19.6 °C | 31.4 °C | 106.17 mm |
| September | 15.9 °C | 28.6 °C | 120.65 mm |
| October | 9.1 °C | 22.8 °C | 83.57 mm |
| November | 2.9 °C | 16.4 °C | 112.01 mm |
| December | 0.4 °C | 11.4 °C | 126.24 mm |
| Annual | 9.3 °C | 21.6 °C | 1420.62 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 8a : -12.2°C to -9.4°C |
| Plant Hardiness Zone - 2012 | Zone 7b : -15°C to -12.2°C |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |