October in Corumba is the hottest month of the year. In October, the weather in Corumba is typically hot. Average daily high temperature in October is about 32 degrees above zero. On average, Corumba has 16 rainy, 5 sunny, 5 cloudy, and 5 partly cloudy days in October. The rains are usually heavy. October as well as January, February, March, and November is considered the most uncomfortable time to visit Corumba.