June in Nantou is the cloudiest month of the year. In June, the weather in Nantou is typically hot. Average daily high temperature in June is about 30 degrees above zero. On average, Nantou has 21 rainy, 5 cloudy, 2 sunny, and 2 partly cloudy days in June. The rains are usually heavy. June as well as May, July, and August is considered the most uncomfortable time to visit Nantou.