December in Ürümqi averages a daily high of -4.8°C with nights around -13.2°C. Expect roughly 7.4 wet days totalling 18.8mm. A hard month to visit for comfort alone.
Across the year, the best time to visit Ürümqi is May.
Based on WU LU MU QI, CH (4km), 1995–2024. 26 years of December data.