About Flagstaff Hill, South Australia

Flagstaff Hill, in South Australia, Australia, is home to roughly 9,600 people in the Australia/Adelaide time zone at 35°S latitude.

Recent weather here gives a sense of typical conditions: in 2025, Flagstaff Hill recorded a mean annual temperature of 61°F, ranging from 37°F lows in August to 107°F highs in February, with about 35 inches of precipitation across the year.