August in Si Racha averages a daily high of 33.5°C. Expect roughly 18.1 wet days totalling 208.1mm. Demanding conditions — pack for it and plan indoor options.
Across the year, the best time to visit Si Racha is November–February.
Based on CHON BURI, TH (22.3km), 1995–2024. 19 years of August data.