Australia equals hottest day on record Australia has equalled its hottest day on record after the Western coastal town of Onslow saw the mercury soar to 50.7°C Onslow. Jan 13, 14:26 local time: Temperature of 50.7°C recorded Average temperature in Onslow at this time of year is 36.5°C Oodnadatta Airport. Jan 2, 1960: Temperatures last reached 50.7°C HEATWAVE SEVERITY (Jan 12) Extreme Severe Low-intensity No heatwave 600km 375 miles Roebourne: 50.5°C Mardie: 50.5°C Perth WESTERN AUSTRALIA Broome AUSTRALIA Darwin NORTHERN TERRITORY SOUTH AUSTRALIA Adelaide VICTORIA TASMANIA Cairns QUEENSLAND Brisbane NEW SOUTH WALES Sydney Canberra Melbourne Hobart Source: Bureau of Meteorology © GRAPHIC NEWS