In January, the weather in Montes Claros is typically warm. Average daily high temperature in January is about 27 degrees above zero. On average, Montes Claros has 19 rainy, 6 sunny, 3 cloudy, and 3 partly cloudy days in January. The rains are usually heavy. January as well as March, November, and December is considered the most uncomfortable time to visit Montes Claros.