March in Si Racha averages a daily high of 34.1°C with nights around 25.8°C. Expect roughly 5.7 wet days totalling 64.3mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Si Racha is November–February.
Based on CHON BURI, TH (22.3km), 1995–2024. 13 years of March data.