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The monsoon climate of northern Australia is hot and humid in summer. The tropical savannah zone of Northern Australia is warm to hot all year. Summers are hot in most of the country with average January maximum temperatures exceeding 30 °C over most of the mainland, except for high elevations.
According to the Bureau of Meteorology's 2011 Australian Climate Statement, Australia had lower than average temperatures in 2011 as a consequence of a La Niña weather pattern; however, "the country's 10-year average continues to demonstrate the rising trend in temperatures, with 2002–2011 likely to rank in the top two warmest 10-year ...
The heat began in South Australia on 25 January but became more widespread over southeast Australia by 27 January. A weak cool change moved over the southern coastal areas bringing some relief on 30 January; [ 12 ] in Melbourne the change arrived on the evening and dropped temperatures to an average of 30.8 °C (87.4 °F).
During the 2010–2012 La Niña event, Australia experienced its second- and third-wettest years, since a record of the rainfall started to kept during 1900. It caused Australia to experience its wettest September on record in 2010, and its second-wettest year on record in 2010. [51] It also led to an unusual intensification of the Leeuwin Current.
Brisbane's wettest day occurred on 21 January 1887, when 465 millimetres (18.3 in) of rain fell on the city, the highest maximum daily rainfall of Australia's capital cities. The wettest month on record was February 1893, when 1,025.9 millimetres (40.39 in) of rain fell, although in the last 30 years the record monthly rainfall has been a much ...
The record number of consecutive days of 37.8 °C (100.0 °F) or above in any Australian city is held by Marble Bar in Western Australia, which experienced 160 consecutive days in 1923–24.) The hottest March day ever recorded was 42.2 °C (108.0 °F) on 12 March 1861. [21] This heatwave is even more exceptional because it didn't occur in summer.
Climate change is affecting the continent's environment and ecosystems. Australia is vulnerable to the effects of global warming projected for the next 50 to 100 years because of its extensive arid and semi-arid areas, and already warm climate, high annual rainfall variability. The continent's high fire risk increases this susceptibility to ...
Perth, the capital city of the state of Western Australia, has a Mediterranean climate (Köppen climate classification Csa), with hot, dry summers and mild, wet winters.. February is the hottest month of the year, with an average high of 31.7 °C (89.1 °F), and July is the coldest month of the year, with an average low of 8.1 °C (46.6 °F). 77.7% of rain in Perth falls between May and Septe