October in Phan Thiet is the coldest month of the year. In October, the weather in Phan Thiet is typically hot. Average daily high temperature in October is about 29 degrees above zero. On average, Phan Thiet has 26 rainy, 4 sunny, and 1 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 Phan Thiet.