June in Oita is the cloudiest month of the year. In June, the weather in Oita is typically warm. Average daily high temperature in June is about 25 degrees above zero. On average, Oita has 18 rainy, 6 partly cloudy, 3 sunny, and 3 cloudy days in June. The rains are usually heavy. June as well as January, February, March, and July is considered the most uncomfortable time to visit Oita.