March in Heiligenblut am Grossglockner is the windiest month of the year. In March, the weather in Heiligenblut am Grossglockner is typically cold. Average daily high temperature in March is about 2 degrees above zero. On average, Heiligenblut am Grossglockner has 8 snowy, 8 partly cloudy, 7 cloudy, 6 sunny, and 2 rainy days in March. The snowfalls are usually heavy.