January in Gera averages a daily high of 2.8°C with nights around -2.3°C. Expect roughly 14.1 wet days totalling 33.4mm. A hard month to visit for comfort alone.
Across the year, the best time to visit Gera is May–September.
Based on GERA LEUMNITZ, GM (3.4km), 1995–2024. 30 years of January data.