January in Franklin averages a daily high of 8.8°C with nights around -2.1°C. Expect roughly 12 wet days totalling 112mm. A hard month to visit for comfort alone.
Across the year, the best time to visit Franklin is April–May.
Based on FRANKLIN SEWAGE PLANT, TN US (1.8km), 1995–2024. 30 years of January data.