About Rostrevor, South Australia's Climate & Weather History

Rostrevor is a city of approximately 7,600 people in South Australia, Australia. Located in the Australia/Adelaide time zone at 34.9°S latitude.

In 2025, Rostrevor recorded an average annual temperature of 61°F. The hottest temperatures reached 108°F in February; the coolest were 34°F in August. Total precipitation for the year was 34 inches, with the wettest month being August.