January in Dunhuang averages a daily high of -0.5°C with nights around -14.7°C. Rain is rare — about 0.8 wet days and 0.9mm across the month. A hard month to visit for comfort alone.
Across the year, the best time to visit Dunhuang is April–May.
Based on DUNHUANG, CH (1.9km), 1995–2024. 25 years of January data.