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.
Except in Tasmania, rainfall is generally low and may range from about 14mm in the Northern Territory, which is in the middle of its dry season, to 98mm in New South Wales and 180mm in Victoria. The average rainfall in Australia in 2011 was just over 56.3mm.