December in Cedynia is the rainiest, the windiest, and the cloudiest month of the year. In December, the weather in Cedynia is typically cold. Average daily high temperature in December is about 3 degrees above zero. On average, Cedynia has 20 rainy, 10 cloudy, and 1 sunny day in December. The rains are usually light. December as well as January, February, March, and November is considered the most uncomfortable time to visit Cedynia.