December in Hami averages a daily high of -1.5°C with nights around -13.9°C. Rain is rare — about 1.3 wet days and 2.3mm across the month. A hard month to visit for comfort alone.
Across the year, the best time to visit Hami is September–October.
Based on HAMI, CH (2.1km), 1995–2024. 26 years of December data.