August in Kaiyuan averages a daily high of 28.1°C with nights around 20°C. Expect roughly 17.1 wet days totalling 143.6mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Kaiyuan is November–March.
Based on MENGZI, CH (35.9km), 1995–2024. 24 years of August data.