May in Xichang averages a daily high of 30.7°C with nights around 23.8°C. Expect roughly 13.9 wet days totalling 233.1mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Xichang is November–December.
Based on QINZHOU, CH (49.2km), 1995–2024. 30 years of May data.