December in Brandenburg an der Havel averages a daily high of 5.3°C with nights around 0.5°C. Expect roughly 14.6 wet days totalling 40mm. A hard month to visit for comfort alone.
Across the year, the best time to visit Brandenburg an der Havel is May–September.
Based on WUSTERWITZ, GM (12.5km), 1995–2024. 21 years of December data.