Australia's Average Rainfall Work -

The Lake Eyre Basin in central Australia receives as little as 100 mm (4 inches) per year on average — less than most true deserts globally.

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Understanding Australia ’s Average Rainfall: Patterns, Records, and Regional Trends The Lake Eyre Basin in central Australia receives

Australia is the world’s driest inhabited continent (after Antarctica). The is approximately 470 mm (18.5 inches) . australia's average rainfall

Most rain occurs during the wet season , driven by the Australian monsoon and tropical cyclones.

The variability is immense. Australia’s wettest year on record was 1974, with a national average of 750.51 mm , while the driest was 1902 at just 319.59 mm .