kalgoorlie average temperature
1 The annual average temperature is 18.4 degrees Celsius (65.2 degrees Fahrenheit). 2  See the temperatures page for a monthly breakdown and the fixed scale graph. 3  Average monthly temperatures vary by 15.15 Â°C (27.3Â°F). See map. 2  Kalgoorlie, Western Australia has a subtropical steppe/ low-latitude semi-arid hot climate (K ppen-Geiger classification: BSh). 3  According to the Holdridge life zones system of bioclimatic classification Kalgoorlie, Western Australia is situated in or near the subtropical desert scrub biome.