In February, the weather in Cuiabá is typically hot. Average daily high temperature in February is about 31 degrees above zero. On average, Cuiabá has 23 rainy, 3 cloudy, 2 partly cloudy, and 1 sunny day in February. The rains are usually heavy. February as well as January, March, October, and November is considered the most uncomfortable time to visit Cuiabá.