Franklin, Arkansas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 46.6 °F (low) to 70.4 °F (high). Annual precipitation averages 49.6 Inches. Franklin is located in USDA Plant Hardiness Zone 7a. The growing season typically runs from the last frost around Apr. 11 - Apr. 20 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 25.7 °F | 47.2 °F | 3.39 in. |
| February | 28.8 °F | 52.0 °F | 3.46 in. |
| March | 36.6 °F | 60.9 °F | 4.72 in. |
| April | 45.7 °F | 71.3 °F | 5.39 in. |
| May | 55.4 °F | 78.7 °F | 5.25 in. |
| June | 64.1 °F | 86.9 °F | 3.56 in. |
| July | 67.8 °F | 91.1 °F | 3.91 in. |
| August | 66.1 °F | 90.7 °F | 3.65 in. |
| September | 58.2 °F | 83.5 °F | 3.75 in. |
| October | 46.2 °F | 72.6 °F | 3.83 in. |
| November | 36.1 °F | 59.9 °F | 4.65 in. |
| December | 28.7 °F | 49.6 °F | 4.01 in. |
| Annual | 46.6 °F | 70.4 °F | 49.57 in. |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 75-100 Days |
| Plant Hardiness Zone | Zone 7a : 0°F to 5°F |
| Plant Hardiness Zone - 2012 | Zone 7a : 0°F to 5°F |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |