In December, the weather in Fernandópolis is typically hot. Average daily high temperature in December is about 31 degrees above zero. On average, Fernandópolis has 23 rainy, 4 partly cloudy, 3 sunny, and 1 cloudy day in December. The rains are usually heavy. December as well as January, February, March, and October is considered the most uncomfortable time to visit Fernandópolis.