March in Udon Thani averages a daily high of 35.2°C with nights around 21.4°C. Expect roughly 5 wet days totalling 61.6mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Udon Thani is December–January.
Based on UDON THANI, TH (3.9km), 1995–2024. 23 years of March data.