December in Steglitz averages a daily high of 4.2°C with nights around -0.3°C. Expect roughly 14.5 wet days totalling 45.4mm. A hard month to visit for comfort alone.
Across the year, the best time to visit Steglitz is May–September.
Based on BERLIN DAHLEM, GM (2.2km), 1995–2024. 30 years of December data.