December in Dourados is the rainiest and the hottest month of the year. In December, the weather in Dourados is typically hot. Average daily high temperature in December is about 29 degrees above zero. On average, Dourados has 24 rainy, 6 sunny, and 1 partly cloudy day in December. The rains are usually heavy. December as well as January, February, and November is considered the most uncomfortable time to visit Dourados.