May in Chon Buri averages a daily high of 34.3°C. Expect roughly 14.3 wet days totalling 146.4mm. Demanding conditions — pack for it and plan indoor options.
Across the year, the best time to visit Chon Buri is November–February.
Based on CHON BURI, TH (0.5km), 1995–2024. 13 years of May data.