About Darch, Western Australia's Climate & Weather History

Darch, in Western Australia, Australia, is home to roughly 7,000 people in the Australian Western time zone at 31.8°S latitude.

In 2025, Darch recorded an average annual temperature of 66°F. The hottest temperatures reached 114°F in January; the coolest were 37°F in July. Total precipitation for the year was 34 inches, with the wettest month being August.