Franklin, North Carolina has a Temperate Oceanic Climate climate (Köppen classification: Cfb). Average annual temperatures range from 43.9 °F (low) to 68.3 °F (high). Annual precipitation averages 55.8 Inches. Franklin is located in USDA Plant Hardiness Zone 7b. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 26.1 °F | 48.9 °F | 5.37 in. |
| February | 28.7 °F | 52.9 °F | 4.68 in. |
| March | 34.4 °F | 60.6 °F | 5.09 in. |
| April | 41.8 °F | 69.5 °F | 4.99 in. |
| May | 50.8 °F | 76.0 °F | 4.47 in. |
| June | 58.8 °F | 81.8 °F | 4.94 in. |
| July | 62.8 °F | 84.8 °F | 4.26 in. |
| August | 61.8 °F | 83.7 °F | 4.65 in. |
| September | 55.9 °F | 79.2 °F | 4.4 in. |
| October | 43.9 °F | 70.4 °F | 3.34 in. |
| November | 33.0 °F | 60.4 °F | 4.38 in. |
| December | 29.1 °F | 51.7 °F | 5.24 in. |
| Annual | 43.9 °F | 68.3 °F | 55.81 in. |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| 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 | Cfb - Temperate Oceanic Climate |