In December, the weather in Isle of Comandatuba is typically hot. Average daily high temperature in December is about 28 degrees above zero. On average, Isle of Comandatuba has 22 rainy, 4 partly cloudy, 3 sunny, and 2 cloudy days in December. The rains are usually heavy. December as well as January, February, March, and April is considered the most uncomfortable time to visit Isle of Comandatuba.