With a population of around 5,400, Oyster Bay sits in New South Wales, Australia. The city operates in the Australian Eastern time zone.
Recent weather here gives a sense of typical conditions: in 2025, Oyster Bay recorded a mean annual temperature of 65°F, ranging from 38°F lows in June to 105°F highs in December, with about 47 inches of precipitation across the year.
View historical weather for Oyster Bay · More cities in New South Wales