Goulburn sits in southeastern Australia’s temperate zone, where rainfall is spread fairly evenly through the year but tends to peak in the cooler months, and the region’s biggest flood risk comes from prolonged rain events tied to La Nina conditions.
On the Wollondilly River in southern NSW, the city sits in one of Australia’s coldest inland cities, with flooding driven by sustained rain rather than any single dramatic storm season. The 2022 floods across much of southeastern Australia, driven by a series of La Nina years, showed how saturated catchments can turn even a routine rain event into major river flooding, which is why the Bureau of Meteorology’s radar network is closely watched here. Learn more: Flash Flood Warning Signs on Radar · Open the full Rain Map