December in Pindamonhangaba is the rainiest and the cloudiest month of the year. In December, the weather in Pindamonhangaba is typically warm. Average daily high temperature in December is about 24 degrees above zero. On average, Pindamonhangaba has 28 rainy and 3 sunny days in December. The rains are usually heavy. December as well as January, February, March, and October is considered the most uncomfortable time to visit Pindamonhangaba.