January in Dearborn averages a daily high of 0.8°C with nights around -6.9°C. Expect roughly 12.7 wet days totalling 57.6mm. A hard month to visit for comfort alone.
Across the year, the best time to visit Dearborn is May–June.
Based on DEARBORN NUMBER 2, MI US (2.7km), 1995–2024. 16 years of January data.