December in Palau is the windiest month of the year. In December, the weather in Palau is typically warm. Average daily high temperature in December is about 14 degrees above zero. On average, Palau has 12 sunny, 11 rainy, 6 partly cloudy, and 2 cloudy days in December. The rains are usually moderate. December as well as January, February, March, and November is considered the most uncomfortable time to visit Palau.