December in Ituiutaba is the rainiest month of the year. In December, the weather in Ituiutaba is typically hot. Average daily high temperature in December is about 30 degrees above zero. On average, Ituiutaba 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 Ituiutaba.