December in Acheng averages a daily high of -9.6°C with nights around -19.1°C. Expect roughly 4.6 wet days totalling 7mm. A hard month to visit for comfort alone.
Across the year, the best time to visit Acheng is August–September.
Based on HARBIN, CH (26.9km), 1995–2024. 26 years of December data.