May in Klaeng averages a daily high of 33.3°C with nights around 25.1°C. Expect roughly 22.4 wet days totalling 403.1mm. Demanding conditions — pack for it and plan indoor options.
Across the year, the best time to visit Klaeng is December–February.
Based on CHANTHABURI, TH (54.6km), 1995–2024. 27 years of May data.