Finley, Tennessee has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 50.1 °F (low) to 69.8 °F (high). Annual precipitation averages 53.7 Inches. Finley is located in USDA Plant Hardiness Zone 7b. The growing season typically runs from the last frost around Mar. 11 - Mar. 20 through the first frost around Nov. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 29.2 °F | 46.0 °F | 3.99 in. |
| February | 32.3 °F | 50.7 °F | 4.49 in. |
| March | 40.1 °F | 59.9 °F | 5.12 in. |
| April | 49.5 °F | 70.6 °F | 5.2 in. |
| May | 59.8 °F | 79.1 °F | 5.53 in. |
| June | 67.7 °F | 86.9 °F | 4.58 in. |
| July | 70.9 °F | 89.6 °F | 3.98 in. |
| August | 68.8 °F | 88.9 °F | 3.2 in. |
| September | 61.4 °F | 83.3 °F | 3.56 in. |
| October | 49.5 °F | 72.8 °F | 4.11 in. |
| November | 39.5 °F | 59.8 °F | 4.65 in. |
| December | 32.4 °F | 49.4 °F | 5.3 in. |
| Annual | 50.1 °F | 69.8 °F | 53.71 in. |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Mar. 11 - Mar. 20 |
| Average Days With Frost | 50-75 Days |
| Plant Hardiness Zone | Zone 7b : 5°F to 10°F |
| Plant Hardiness Zone - 2012 | Zone 7b : 5°F to 10°F |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |