About Illawong, New South Wales's Climate & Weather History

Illawong, in New South Wales, Australia, is home to roughly 7,200 people in the Australian Eastern time zone at 34°S latitude.

In 2025, Illawong recorded an average annual temperature of 64°F. The hottest temperatures reached 106°F in December; the coolest were 35°F in June. Total precipitation for the year was 43 inches, with the wettest month being August.