December in Yining is the sunniest month of the year. In December, the weather in Yining is typically cold. Average daily high temperature in December is about 9 degrees above zero. On average, Yining has 14 sunny, 7 rainy, 5 cloudy, and 5 partly cloudy days in December. The rains are usually moderate. December as well as January, February, March, and April is considered the most uncomfortable time to visit Yining.