December in Genting Highlands is the coldest month of the year. In December, the weather in Genting Highlands is typically hot. Average daily high temperature in December is about 28 degrees above zero. On average, Genting Highlands has 26 rainy, 3 cloudy, and 2 partly cloudy days in December. The rains are usually heavy. December as well as January, February, March, and April is considered the most uncomfortable time to visit Genting Highlands.