January in Jianchang averages a daily high of 10.8°C with nights around 3.3°C. Expect roughly 12.5 wet days totalling 84.9mm. Demanding conditions — pack for it and plan indoor options.
Across the year, the best time to visit Jianchang is October.
Based on NANCHENG, CH (2.9km), 1995–2024. 30 years of January data.