About Belmont, Western Australia's Climate & Weather History

With a population of around 6,800, Belmont sits in Western Australia, Australia. The city operates in the Australian Western time zone.

In 2025, Belmont recorded an average annual temperature of 67°F. The hottest temperatures reached 112°F in January; the coolest were 38°F in July. Total precipitation for the year was 35 inches, with the wettest month being August.