March in Chumphon averages a daily high of 33.3°C with nights around 23.6°C. Expect roughly 4.9 wet days totalling 50mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Chumphon is December–March.
Based on CHUMPHON, TH (1.5km), 1995–2024. 24 years of March data.