January in Chapadinha is the rainiest and the cloudiest month of the year. In January, the weather in Chapadinha is typically hot. Average daily high temperature in January is about 30 degrees above zero. On average, Chapadinha has 29 rainy, 1 sunny, and 1 cloudy day in January. The rains are usually heavy. January as well as February, March, April, and May is considered the most uncomfortable time to visit Chapadinha.