October in Fukuoka is the sunniest month of the year. In October, the weather in Fukuoka is typically warm. Average daily high temperature in October is about 21 degrees above zero. On average, Fukuoka has 13 sunny, 9 partly cloudy, 7 rainy, and 2 cloudy days in October. The rains are usually heavy. October as well as May is considered the most comfortable time to visit Fukuoka.