June in Sanya averages a daily high of 31.2°C with nights around 24.9°C. Expect roughly 13.2 wet days totalling 155.2mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Sanya is November–March.
Based on SANYA, CH (8.8km), 1995–2024. 23 years of June data.