July in Ilheus is the sunniest and the coldest month of the year. In July, the weather in Ilheus is typically warm. Average daily high temperature in July is about 25 degrees above zero. On average, Ilheus has 21 rainy, 5 sunny, 4 partly cloudy, and 1 cloudy day in July. The rains are usually moderate. July as well as January, February, March, and April is considered the most uncomfortable time to visit Ilheus.