March in Pattaya averages a daily high of 33.4°C with nights around 24.9°C. Expect roughly 4 wet days totalling 42.3mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Pattaya is December–March.
Based on SATTAHIP, TH (29.9km), 1995–2024. 20 years of March data.