chilling - the process of becoming cooler; a falling temperature. cooling, temperature reduction. freeze, freezing - the withdrawal of heat to change something from a liquid to a solid. heat dissipation - dissipation of heat.
Australia is also one of the driest continents on earth with an average annual rainfall of less than 600 millimetres. Like all countries in the southern hemisphere, Australia's seasons are opposite to those in the northern hemisphere.
According to the Bureau of Meteorology, 80% of the land has less than 600 mm (24 in) of rainfall per year and 50% has even less than 300 mm (12 in). As a whole, Australia has a very low annual average rainfall of 419 mm (16 in).