With a population of around 23,500, Greystanes sits in New South Wales, Australia. The city operates in the Australian Eastern time zone.
In 2025, Greystanes averaged an annual temperature of 65°F, with hottest temperatures reaching 109°F in December and lowest around 37°F in June. The city received approximately 41 inches of precipitation during the year.
View historical weather for Greystanes · More cities in New South Wales