About Mullaloo, Western Australia's Climate & Weather History

Mullaloo is a city of approximately 5,800 people in Western Australia, Australia. Located in the Australian Western time zone at 31.8°S latitude.

In 2025, Mullaloo recorded an average annual temperature of 66°F. The hottest temperatures reached 107°F in January; the coolest were 41°F in July. Total precipitation for the year was 34 inches, with the wettest month being June.