December in Pai is the coldest month of the year. In December, the weather in Pai is typically warm. Average daily high temperature in December is about 23 degrees above zero. On average, Pai has 18 partly cloudy, 11 sunny, 1 rainy, and 1 cloudy day in December. The rains are usually light. December as well as January and February is considered the most comfortable time to visit Pai.