December in Nonthaburi is the coldest month of the year. In December, the weather in Nonthaburi is typically hot. Average daily high temperature in December is about 29 degrees above zero. On average, Nonthaburi has 17 partly cloudy, 9 sunny, 4 cloudy, and 1 rainy day in December. The rains are usually light. December as well as January is considered the most comfortable time to visit Nonthaburi.