December in Luangprabang is the coldest month of the year. In December, the weather in Luangprabang is typically warm. Average daily high temperature in December is about 24 degrees above zero. On average, Luangprabang has 20 sunny, 7 partly cloudy, 3 rainy, and 1 cloudy day in December. The rains are usually light. December as well as January is considered the most comfortable time to visit Luangprabang.