December in Governador Valadares is the rainiest month of the year. In December, the weather in Governador Valadares is typically hot. Average daily high temperature in December is about 28 degrees above zero. On average, Governador Valadares has 25 rainy, 4 sunny, 1 cloudy, and 1 partly cloudy day in December. The rains are usually heavy. December as well as January, March, and November is considered the most uncomfortable time to visit Governador Valadares.