December in Radom is the windiest month of the year. In December, the weather in Radom is typically cold. Average daily high temperature in December is about 2 degrees above zero. On average, Radom has 13 cloudy, 12 rainy, 4 snowy, and 2 sunny days in December. The rains are usually light. December as well as February, March, and November is considered the most uncomfortable time to visit Radom.