Climate
The northern third of Australia lies in the tropics and so is warm or hot the year around. The rest of the country lies south of the tropics and has warm summers and mild or cool winters.
In winter, many parts of the south have occasional frosts. But the Australian Alps and the interior of Tasmania are the only areas of the country where temperatures remain below freezing for more than a day or so at a time.
Australia receives most of its moisture as rain. Snow falls only in Tasmania and the Australian Alps. About a third of the country is desert and receives less than 10 inches (25 centimeters) of rain a year. The deserts are too barren even for the grazing of livestock. Much of the rest of Australia has less than 20 inches (51 centimeters) of rainfall annually. Few crops can be grown in these regions without irrigation. The heaviest rainfall occurs along the north, east, southeast, and extreme southwest coasts.
The east coast of Queensland is the wettest part of the continent. Some places along this coast receive as much as 150 inches (381 centimeters) of rain a year. Parts of the southeast coast and of Tasmania are the only areas of the continent that receive uniform amounts of rainfall the year around. Rainfall is seasonal throughout the rest of Australia.