February in Jiayuguan averages a daily high of 3.7°C with nights around -10.5°C. Rain is rare — about 1.3 wet days and 1.8mm across the month. A hard month to visit for comfort alone.
Across the year, the best time to visit Jiayuguan is April–June.
Based on JIUQUAN, CH (17.5km), 1995–2024. 25 years of February data.