December in Crescent City is the coldest month of the year. In December, the weather in Crescent City is typically warm. Average daily high temperature in December is about 10 degrees above zero. On average, Crescent City has 14 rainy, 9 sunny, and 8 partly cloudy days in December. The rains are usually heavy. December as well as January, February, March, and November is considered the most uncomfortable time to visit Crescent City.