Sequatchie, Tennessee has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 48.9 °F (low) to 71.2 °F (high). Annual precipitation averages 57.1 Inches. Sequatchie is located in USDA Plant Hardiness Zone 8a. The growing season typically runs from the last frost around Mar. 21 - Mar. 31 through the first frost around Nov. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 29.9 °F | 50.0 °F | 5.24 in. |
| February | 33.2 °F | 54.5 °F | 5.36 in. |
| March | 39.3 °F | 63.0 °F | 5.31 in. |
| April | 47.1 °F | 72.4 °F | 4.83 in. |
| May | 56.7 °F | 79.4 °F | 4.37 in. |
| June | 64.6 °F | 85.9 °F | 4.48 in. |
| July | 68.5 °F | 89.0 °F | 4.88 in. |
| August | 67.6 °F | 88.6 °F | 3.74 in. |
| September | 61.2 °F | 83.7 °F | 4.23 in. |
| October | 48.5 °F | 73.4 °F | 3.45 in. |
| November | 37.4 °F | 61.8 °F | 4.96 in. |
| December | 32.7 °F | 53.2 °F | 6.24 in. |
| Annual | 48.9 °F | 71.2 °F | 57.09 in. |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Mar. 21 - Mar. 31 |
| Average Days With Frost | 50-75 Days |
| Plant Hardiness Zone | Zone 8a : 10°F to 15°F |
| Plant Hardiness Zone - 2012 | Zone 7b : 5°F to 10°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |