Planning for the weather is a good way to make your trip to Kals am Grossglockner relaxing and enjoyable, especially when you're splurging. The hottest months are usually July and August, with an average temperature of 14°C, while the coldest months are January and December, with an average of -2°C. The snowiest months in Kals am Grossglockner are February, January, March and December, with each month seeing an average of 349 cm of snowfall.