December in Dalian is the windiest month of the year. In December, the weather in Dalian is typically cold. Average daily high temperature in December is about 3 degrees above zero. On average, Dalian has 14 sunny, 10 partly cloudy, 4 cloudy, 2 snowy, and 1 rainy day in December. The snowfalls are usually light. December as well as January, February, March, and April is considered the most uncomfortable time to visit Dalian.