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

Yass, in New South Wales, Australia, is home to roughly 6,500 people in the Australian Eastern time zone at 34.8°S latitude.

In 2025, Yass recorded an average annual temperature of 57°F. The hottest temperatures reached 96°F in December; the coolest were 25°F in June. Total precipitation for the year was 24 inches, with the wettest month being July.