August in Lhasa averages a daily high of 22.6°C with nights around 11.1°C. Expect roughly 18.8 wet days totalling 128.6mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Lhasa is April–May.
Based on LHASA, CH (3.7km), 1995–2024. 24 years of August data.