June in Naha is the rainiest month of the year. In June, the weather in Naha is typically warm. Average daily high temperature in June is about 26 degrees above zero. On average, Naha has 17 rainy, 5 sunny, 5 partly cloudy, and 3 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 Naha.