December in Nha Trang is the windiest month of the year. In December, the weather in Nha Trang is typically warm. Average daily high temperature in December is about 25 degrees above zero. On average, Nha Trang has 23 rainy, 4 cloudy, 3 sunny, and 1 partly cloudy day in December. The rains are usually heavy. December as well as July, September, October, and November is considered the most uncomfortable time to visit Nha Trang.