The average temperature in Australia is 12.9 °C (55 °F). The highest monthly average high temperature is 28 °C (82 °F) in January. The lowest monthly average low temperature is 0 °C (32 °F) in July. Australia's climate receives an average of 631 mm (24.8 in) of rainfall per year, or 53 mm (2.1 in) per month. The driest weather is in July and September. The wettest weather is in October.