December in Valea lui Mihai is the cloudiest month of the year. In December, the weather in Valea lui Mihai is typically cold. Average daily high temperature in December is about 3 degrees above zero. On average, Valea lui Mihai has 10 cloudy, 10 partly cloudy, 6 rainy, 4 sunny, and 1 snowy day in December. The rains are usually moderate. December as well as January, February, March, and November is considered the most uncomfortable time to visit Valea lui Mihai.