December in Dongning averages a daily high of -8.8°C with nights around -17.9°C. Expect roughly 5.2 wet days totalling 9.8mm. A hard month to visit for comfort alone.
Across the year, the best time to visit Dongning is September.
Based on SUIFENHE, CH (33.3km), 1995–2024. 30 years of December data.