January in Regensburg averages a daily high of 2.3°C with nights around -2.9°C. Expect roughly 14.1 wet days totalling 49.9mm. A hard month to visit for comfort alone.
Across the year, the best time to visit Regensburg is May–September.
Based on REGENSBURG, GM (3.1km), 1995–2024. 30 years of January data.