December in Changli averages a daily high of 3.2°C with nights around -6.3°C. Rain is rare — about 1.9 wet days and 4.2mm across the month. A hard month to visit for comfort alone.
Across the year, the best time to visit Changli is April–May.
Based on LETING, CH (37.7km), 1995–2024. 26 years of December data.