His family were unable to help as they had no emergency supplies or a shovel with them.
The boy was reportedly a student at Sydney's International Grammar School, which has offered support to fellow students.
Sydney student Max Meyer was on a holiday to Austria with his family when he was tragically caught in an avalanche.
It took rescuers more than 20 minutes to reach the teen, who was "completely buried" below two meters of snow.
He was on a skiing holiday with his family when he was buried by the avalanche as his parents and brother looked on helplessly, according to reports.More news: Craig Brewer to Direct Coming To America 2, Eddie Murphy Returning
According to the police statement, the family was hit by an avalanche as they waited for rescuers to arrive.
"We will continue to support the family through the coming days and beyond".
The Australian Department of Foreign Affairs and Trade said it was aware of reports of an Australian's death in the nation. In neighboring Slovakia, the mountain rescue service said a Slovak man, 37, died from an avalanche in the Mala Fatra mountains.
A further Six German teenagers are lucky to be alive after emerging from an avalanche that engulfed them at Wildkogel resort in the Salzburg province.
Several railway lines in the Alps were closed because of the snow, and schools were closed in parts of Bavaria.More news: Russian lawyer appeals for accused United States spy's release on bail
The death toll from severe weather in Europe has risen to at least 17 as heavy snowfall continued to cause problems in Austria and southern Germany.
Roads into several places were closed-although Galtuer in western Austria, where a massive avalanche in 1999 killed 31 people, opened again on January 10 after being cut off.
On Norway's Arctic Svalbard islands, more than 100 people were evacuated as a precaution because of a storm and the risk of avalanches.
The popular ski resort of St Anton in Austria.More news: Bumrah rested for Australia ODIs, New Zealand tour