October in Ilheus is the windiest month of the year. In October, the weather in Ilheus is typically warm. Average daily high temperature in October is about 27 degrees above zero. On average, Ilheus has 20 rainy, 6 partly cloudy, and 5 sunny days in October. The rains are usually heavy. October as well as January, February, March, and April is considered the most uncomfortable time to visit Ilheus.