January in Jiutai averages a daily high of -9.4°C with nights around -18.8°C. Expect roughly 3.8 wet days totalling 4.8mm. A hard month to visit for comfort alone.
Across the year, the best time to visit Jiutai is May.
Based on CHANGCHUN, CH (56.4km), 1995–2024. 19 years of January data.