April in Chumphon averages a daily high of 34.3°C with nights around 24.5°C. Expect roughly 5 wet days totalling 56mm. 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. 23 years of April data.