December in Teplice is the windiest month of the year. In December, the weather in Teplice is typically cold. Average daily high temperature in December is about 2 degrees above zero. On average, Teplice has 16 cloudy, 10 rainy, 3 sunny, and 2 partly cloudy days in December. The rains are usually light. December as well as January, February, March, and April is considered the most uncomfortable time to visit Teplice.