December in Kempsey is the cloudiest month of the year. In December, the weather in Kempsey is typically warm. Average daily high temperature in December is about 25 degrees above zero. On average, Kempsey has 13 rainy, 9 sunny, 6 partly cloudy, and 3 cloudy days in December. The rains are usually heavy. December as well as January, February, and April is considered the most uncomfortable time to visit Kempsey.