January in Zielona Góra averages a daily high of 3.4°C with nights around -2.7°C. Expect roughly 15 wet days totalling 44.8mm. A hard month to visit for comfort alone.
Across the year, the best time to visit Zielona Góra is May–September.
Based on COSCHEN, GM (54.2km), 1995–2024. 24 years of January data.