August in Xi’an averages a daily high of 30.5°C with nights around 21.5°C. Expect roughly 8.6 wet days totalling 90.5mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Xi’an is April–May.
Based on XIAN, CH (4.7km), 1995–2024. 14 years of August data.