With a population of around 78,100, Blue Mountains 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, Blue Mountains recorded a mean annual temperature of 53°F, ranging from 25°F lows in July to 90°F highs in December, with about 49 inches of precipitation across the year.
View historical weather for Blue Mountains · More cities in New South Wales