December in Haus im Ennstal is the windiest month of the year. In December, the weather in Haus im Ennstal is typically freezing. Average daily high temperature in December is about 2 degrees below zero. On average, Haus im Ennstal has 16 snowy, 10 cloudy, 3 sunny, and 2 rainy days in December. The snowfalls are usually heavy.