August in Runan averages a daily high of 31.2°C with nights around 22.7°C. Expect roughly 10 wet days totalling 142.7mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Runan is April–May.
Based on ZHUMADIAN, CH (30.7km), 1995–2024. 30 years of August data.