In October, the weather in Ayutthaya is typically hot. Average daily high temperature in October is about 29 degrees above zero. On average, Ayutthaya has 25 rainy, 4 sunny, 1 cloudy, and 1 partly cloudy day in October. The rains are usually heavy. October as well as May, June, July, and August is considered the most uncomfortable time to visit Ayutthaya.