January in Düsseldorf averages a daily high of 6°C with nights around 0.5°C. Expect roughly 15.7 wet days totalling 63.2mm. A hard month to visit for comfort alone.
Across the year, the best time to visit Düsseldorf is May–September.
Based on DUSSELDORF, GM (8.2km), 1995–2024. 30 years of January data.