January in Berlin averages a daily high of 3.6°C with nights around -1.3°C. Expect roughly 14.2 wet days totalling 46.8mm. A hard month to visit for comfort alone.
Across the year, the best time to visit Berlin is May–September.
Based on BERLIN TEMPELHOF, GM (6.3km), 1995–2024. 30 years of January data.