March in Lanzhou averages a daily high of 11.8°C with nights around -2.7°C. Expect roughly 3.6 wet days totalling 7.1mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Lanzhou is April–September.
Based on YU ZHONG, CH (35km), 1995–2024. 14 years of March data.