About Adelaide Hills, South Australia's Climate & Weather History

With a population of around 72,300, Adelaide Hills sits in South Australia, Australia. The city operates in the Australia/Adelaide time zone.

In 2025, Adelaide Hills recorded an average annual temperature of 57°F. The hottest temperatures reached 100°F in February; the coolest were 35°F in August. Total precipitation for the year was 30 inches, with the wettest month being August.