January weather forecast in Kailua-Kona

January in Kailua-Kona is the sunniest month of the year. In January, the weather in Kailua-Kona is typically warm. Average daily high temperature in January is about 22 degrees above zero. On average, Kailua-Kona has 22 rainy, 7 sunny, and 2 partly cloudy days in January. The rains are usually heavy. January as well as February, March, April, and May is considered the most uncomfortable time to visit Kailua-Kona.