December in Cottbus averages a daily high of 4.5°C with nights around -0.6°C. Expect roughly 14.6 wet days totalling 40.7mm. A hard month to visit for comfort alone.
Across the year, the best time to visit Cottbus is May–September.
Based on COTTBUS, GM (2.3km), 1995–2024. 30 years of December data.