August in Nanjing averages a daily high of 31.7°C with nights around 24.8°C. Expect roughly 10.9 wet days totalling 158.7mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Nanjing is April–May.
Based on NANJING, CH (18.4km), 1995–2024. 18 years of August data.