July in Nha Trang is the cloudiest month of the year. In July, the weather in Nha Trang is typically hot. Average daily high temperature in July is about 31 degrees above zero. On average, Nha Trang has 15 rainy, 14 cloudy, and 2 sunny days in July. The rains are usually moderate. July as well as September, October, November, and December is considered the most uncomfortable time to visit Nha Trang.