August in Ho Chi Minh is the rainiest month of the year. In August, the weather in Ho Chi Minh is typically hot. Average daily high temperature in August is about 31 degrees above zero. On average, Ho Chi Minh has 30 rainy and 1 partly cloudy day in August. The rains are usually heavy. August as well as April, May, June, and July is considered the most uncomfortable time to visit Ho Chi Minh.