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 annual rainfall at Observatory Hill, with moderate to low variability, is 1,213.8 mm (47.79 in), falling on an average 143.5 days a year. As seen from the climate table above, Sydney's wettest month is June, though most of the western suburbs wettest months are around January, February or March.