Bluff City, Tennessee has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 45.8 °F (low) to 68.1 °F (high). Annual precipitation averages 45.2 Inches. Bluff City 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 | 26.7 °F | 46.2 °F | 3.76 in. |
| February | 29.3 °F | 50.3 °F | 3.72 in. |
| March | 35.9 °F | 58.9 °F | 4.06 in. |
| April | 44.3 °F | 69.1 °F | 3.97 in. |
| May | 53.5 °F | 77.0 °F | 3.72 in. |
| June | 61.6 °F | 83.5 °F | 3.76 in. |
| July | 65.5 °F | 86.3 °F | 5.22 in. |
| August | 64.1 °F | 85.7 °F | 3.95 in. |
| September | 57.8 °F | 80.9 °F | 2.68 in. |
| October | 45.8 °F | 70.5 °F | 2.62 in. |
| November | 34.9 °F | 58.9 °F | 3.22 in. |
| December | 29.8 °F | 49.4 °F | 4.51 in. |
| Annual | 45.8 °F | 68.1 °F | 45.19 in. |
| 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 : 5°F to 10°F |
| Plant Hardiness Zone - 2012 | Zone 7a : 0°F to 5°F |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |