Blacktown, in New South Wales, Australia, is home to roughly 46,900 people in the Australian Eastern time zone at 33.8°S latitude.
In 2025, Blacktown averaged an annual temperature of 64°F, with hottest temperatures reaching 108°F in December and lowest around 34°F in July. The city received approximately 41 inches of precipitation during the year.
View historical weather for Blacktown · More cities in New South Wales