August in Bremen averages a daily high of 23.6°C with nights around 12.7°C. Expect roughly 13.1 wet days totalling 68mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Bremen is May–September.
Based on BREMEN SEEFAHRTSCHULE, GM (3.3km), 1995–2024. 30 years of August data.