June in Cilacap is the sunniest month of the year. In June, the weather in Cilacap is typically hot. Average daily high temperature in June is about 28 degrees above zero. On average, Cilacap has 18 rainy, 6 partly cloudy, 4 sunny, and 2 cloudy days in June. The rains are usually heavy. June as well as January, February, March, and April is considered the most uncomfortable time to visit Cilacap.