December weather forecast in Kailua-Kona

In December, the weather in Kailua-Kona is typically warm. Average daily high temperature in December is about 23 degrees above zero. On average, Kailua-Kona has 24 rainy, 4 sunny, and 3 partly cloudy days in December. The rains are usually heavy. December as well as January, February, March, and April is considered the most uncomfortable time to visit Kailua-Kona.