June in Boao is the cloudiest and the hottest month of the year. In June, the weather in Boao is typically hot. Average daily high temperature in June is about 31 degrees above zero. On average, Boao has 19 rainy, 8 cloudy, 2 sunny, and 1 partly cloudy day in June. The rains are usually heavy. June as well as January, May, July, and August is considered the most uncomfortable time to visit Boao.