December in Colorado Springs is the coldest month of the year. In December, the weather in Colorado Springs is typically cold. Average daily high temperature in December is about 2 degrees above zero. On average, Colorado Springs has 14 sunny, 13 partly cloudy, 3 cloudy, and 1 rainy day in December. The rains are usually light. December as well as January, February, and July is considered the most uncomfortable time to visit Colorado Springs.