May in Xi’an averages a daily high of 27.7°C with nights around 16°C. Expect roughly 7.1 wet days totalling 50.4mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Xi’an is April–May.
Based on XIAN, CH (4.7km), 1995–2024. 14 years of May data.