December in Červený Kostelec is the windiest month of the year. In December, the weather in Červený Kostelec is typically cold. Average daily high temperature in December is about 1 degree above zero. On average, Červený Kostelec has 14 cloudy, 10 rainy, 4 snowy, and 3 sunny days in December. The rains are usually light. December as well as February, March, May, and November is considered the most uncomfortable time to visit Červený Kostelec.