January in Ji’an averages a daily high of 11°C with nights around 4.1°C. Expect roughly 11.8 wet days totalling 77.2mm. Demanding conditions — pack for it and plan indoor options.
Across the year, the best time to visit Ji’an is October–November.
Based on JIAN, CH (1.2km), 1995–2024. 26 years of January data.