June in Naha is the rainiest and the cloudiest month of the year. In June, the weather in Naha is typically warm. Average daily high temperature in June is about 27 degrees above zero. On average, Naha has 20 rainy, 5 cloudy, 3 sunny, and 2 partly 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.