January in Wuppertal averages a daily high of 5.6°C with nights around 0.5°C. Expect roughly 18 wet days totalling 112.2mm. A hard month to visit for comfort alone.
Across the year, the best time to visit Wuppertal is May–September.
Based on WUPPERTAL BUCHENHOFEN, GM (4.5km), 1995–2024. 30 years of January data.