March in Imbituba is the cloudiest month of the year. In March, the weather in Imbituba is typically warm. Average daily high temperature in March is about 26 degrees above zero. On average, Imbituba has 21 rainy, 6 partly cloudy, 2 sunny, and 2 cloudy days in March. The rains are usually heavy. March as well as January, February, and December is considered the most uncomfortable time to visit Imbituba.