Rawlinna is an isolated locality on the Trans-Australian Railway in Western Australia, about 900 kilometres east of Perth, 380 kilometres (240 mi) east of Kalgoorlie and 350 kilometres west of the Western Australia / South Australia border. It is on the Nullarbor Plain, about 50 kilometres from its western fringe; the topography is flat and well grassed, with saltbush and bluebush, with small belts of myall and myoporum trees. Annual rainfall is 288 millimetres. Maximum daytime temperatures are typically 38 °C (100 °F) through summer and 19 °C (66 °F) during winter. The population in the wider Rawlinna area was recorded as 33 people in the 2021 Australian census; there were 7 private dwellings.