In January, the weather in Goiânia is typically hot. Average daily high temperature in January is about 28 degrees above zero. On average, Goiânia has 23 rainy, 4 partly cloudy, 3 sunny, and 1 cloudy day in January. The rains are usually heavy. January as well as February, March, October, and November is considered the most uncomfortable time to visit Goiânia.