January in Yancheng averages a daily high of 7.1°C with nights around -1.2°C. Expect roughly 7.1 wet days totalling 40.7mm. Demanding conditions — pack for it and plan indoor options.
Across the year, the best time to visit Yancheng is April–May.
Based on DONGTAI, CH (57.6km), 1995–2024. 26 years of January data.