October in Chiang Mai averages a daily high of 32.1°C. Expect roughly 7.6 wet days totalling 92.1mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Chiang Mai is December–January.
Based on CHIANG MAI, TH (0.8km), 1995–2024. 12 years of October data.