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.
The average precipitation per year in the Australian Savanna is around 20 to 40 in. In both the Australian, and the African savanna, the average precipitation in the dry season is about 4 in. The average precipitation in the Australian and the Africa savanna during the wet season is around 15 to 25 inches.