Residents in two bushfire-affected states awoke to a white Christmas, while Queenslanders sweltered in hot and humid conditions.
Storms caused havoc in suburban Melbourne, while residents in a NSW town were celebrating record drought-breaking rain.
Snow fell in Victoria and Tasmania,' which are still battling fires that have blackened thousands of hectares this month, and in alpine areas of NSW.
Meanwhile, Queenslanders in many regions sweltered through high temperatures and humid conditions.'at 3pm Monday it was 4 degrees celcius here at mt Dandenong vic'
Brisbane recorded a muggy 32 degrees, with temperatures in far north Queensland reaching as high as 37 in areas like Weipa on the Cape York Peninsula and Normanton on the Gulf of Carpentaria.