April in Bremerhaven averages a daily high of 13.1°C with nights around 5.8°C. Expect roughly 11.1 wet days totalling 40.5mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Bremerhaven is May–September.
Based on BREMERHAVEN, GM (2.1km), 1995–2024. 29 years of April data.