October in Jeju is the sunniest month of the year. In October, the weather in Jeju is typically warm. Average daily high temperature in October is about 19 degrees above zero. On average, Jeju has 14 sunny, 13 partly cloudy, 3 rainy, and 1 cloudy day in October. The rains are usually light. October as well as {{month_nom: February}}, and {{month_nom: February}} is considered the most comfortable time to visit Jeju.