About Hope Valley, South Australia's Climate & Weather History

With a population of around 8,200, Hope Valley sits in South Australia, Australia. The city operates in the Australia/Adelaide time zone.

In 2025, Hope Valley recorded an average annual temperature of 61°F. The hottest temperatures reached 107°F in February; the coolest were 36°F in August. Total precipitation for the year was 28 inches, with the wettest month being August.