December weather forecast in Haikou

In December, the weather in Haikou is typically warm. Average daily high temperature in December is about 21 degrees above zero. On average, Haikou has 12 sunny, 8 partly cloudy, 6 cloudy, and 5 rainy days in December. The rains are usually light. December as well as January, February, and March is considered the most comfortable time to visit Haikou.