March in Khon Kaen averages a daily high of 35.2°C with nights around 21°C. Expect roughly 4.9 wet days totalling 57.6mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Khon Kaen is December–January.
Based on KHON KAEN, TH (1.5km), 1995–2024. 21 years of March data.