June in Phuket is the cloudiest month of the year. In June, the weather in Phuket is typically hot. Average daily high temperature in June is about 28 degrees above zero. On average, Phuket has 23 rainy, 4 cloudy, and 3 partly cloudy days in June. The rains are usually heavy. June as well as April, May, July, and August is considered the most uncomfortable time to visit Phuket.