June in Nanjing averages a daily high of 29.5°C with nights around 21.5°C. Expect roughly 9.7 wet days totalling 178.2mm. 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. 19 years of June data.