May in Jiaojiang averages a daily high of 22.1°C with nights around 17.7°C. Expect roughly 17.1 wet days totalling 189.3mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Jiaojiang is September–October.
Based on DACHEN DAO, CH (48.6km), 1995–2024. 24 years of May data.