Russellville, Tennessee has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 46.8 °F (low) to 68.6 °F (high). Annual precipitation averages 46.7 Inches. Russellville 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 | 27.6 °F | 46.6 °F | 4.25 in. |
| February | 30.5 °F | 50.9 °F | 4.15 in. |
| March | 36.5 °F | 59.9 °F | 4.31 in. |
| April | 45.2 °F | 69.8 °F | 4.36 in. |
| May | 54.6 °F | 77.4 °F | 3.69 in. |
| June | 62.9 °F | 84.4 °F | 4.09 in. |
| July | 66.5 °F | 87.1 °F | 4.73 in. |
| August | 65.2 °F | 86.5 °F | 3.36 in. |
| September | 58.9 °F | 81.3 °F | 3.22 in. |
| October | 46.7 °F | 71.0 °F | 2.49 in. |
| November | 36.1 °F | 59.0 °F | 3.28 in. |
| December | 31.0 °F | 49.6 °F | 4.76 in. |
| Annual | 46.8 °F | 68.6 °F | 46.69 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 50-75 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 | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |