In December, the weather in Merke is typically cold. Average daily high temperature in December is about 1 degree above zero. On average, Merke has 14 sunny, 11 partly cloudy, 2 rainy, 2 snowy, and 2 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 Merke.