December in Chengde averages a daily high of -0.2°C with nights around -13.3°C. Rain is rare — about 1.6 wet days and 2.5mm across the month. A hard month to visit for comfort alone.
Across the year, the best time to visit Chengde is April–May.
Based on CHENGDE, CH (3.9km), 1995–2024. 26 years of December data.