In June, the weather in Côn Đảo is typically hot. Average daily high temperature in June is about 29 degrees above zero. On average, Côn Đảo has 24 rainy, 4 sunny, and 2 cloudy days in June. The rains are usually heavy. June as well as May, July, August, and September is considered the most uncomfortable time to visit Côn Đảo.