December weather forecast in Ishigaki

In December, the weather in Ishigaki is typically warm. Average daily high temperature in December is about 21 degrees above zero. On average, Ishigaki has 20 rainy, 5 sunny, 3 cloudy, and 3 partly cloudy days in December. The rains are usually heavy. December as well as January, February, May, and June is considered the most uncomfortable time to visit Ishigaki.