December in Mangistau is the windiest month of the year. In December, the weather in Mangistau is typically cold. Average daily high temperature in December is about 5 degrees above zero. On average, Mangistau has 14 cloudy, 9 partly cloudy, 7 sunny, and 1 rainy day in December. The rains are usually light. December as well as January and February is considered the most uncomfortable time to visit Mangistau.