Flagstaff Hill, in South Australia, Australia, is home to roughly 9,600 people in the Australia/Adelaide time zone at 35°S latitude.
In 2025, Flagstaff Hill recorded an average annual temperature of 61°F. The hottest temperatures reached 107°F in February; the coolest were 37°F in August. Total precipitation for the year was 35 inches, with the wettest month being August.
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