January in Bremerhaven averages a daily high of 4.5°C with nights around 0.6°C. Expect roughly 16.3 wet days totalling 64.4mm. A hard month to visit for comfort alone.
Across the year, the best time to visit Bremerhaven is May–September.
Based on BREMERHAVEN, GM (2.1km), 1995–2024. 30 years of January data.