Clifton, Tennessee has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 48.3 °F (low) to 71.2 °F (high). Annual precipitation averages 57.7 Inches. Clifton is located in USDA Plant Hardiness Zone 7b. 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 | 28.7 °F | 49.0 °F | 4.94 in. |
| February | 32.0 °F | 54.3 °F | 5.22 in. |
| March | 38.7 °F | 63.1 °F | 5.39 in. |
| April | 47.0 °F | 72.4 °F | 5.53 in. |
| May | 57.1 °F | 79.4 °F | 5.25 in. |
| June | 65.2 °F | 86.4 °F | 4.62 in. |
| July | 68.6 °F | 89.5 °F | 4.91 in. |
| August | 67.0 °F | 89.1 °F | 3.96 in. |
| September | 59.9 °F | 83.9 °F | 4.09 in. |
| October | 47.3 °F | 73.9 °F | 3.87 in. |
| November | 37.0 °F | 61.9 °F | 4.22 in. |
| December | 31.6 °F | 51.8 °F | 5.65 in. |
| Annual | 48.3 °F | 71.2 °F | 57.65 in. |
| 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 7b : 5°F to 10°F |
| Plant Hardiness Zone - 2012 | Zone 7a : 0°F to 5°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |