December in Phan Rang–Thap Cham is the windiest and the coldest month of the year. In December, the weather in Phan Rang–Thap Cham is typically warm. Average daily high temperature in December is about 25 degrees above zero. On average, Phan Rang–Thap Cham has 10 rainy, 10 partly cloudy, 9 cloudy, and 2 sunny days in December. The rains are usually heavy.