Adelaide is making a name for itself in Australia becoming the hottest city in Australia during summer.
According to the Bureau of Meteorology (The main weather forecasters in Australia) The highest temperature ever recorded in Australia is 50.7c in you guessed it Oonadatta, South Australia which was in 1960
http://www.bom.gov.au/lam/climate/le...0thc/temp1.htm
Australia also holds the world record for the longest heatwave (Temperature above 100f) which is 160 consecutive days of temperatures exceeding 100f (37.8c)