Mount Isa, in Queensland, Australia, is home to roughly 18,300 people in the Australia/Brisbane time zone at 20.7°S latitude.
In 2025, Mount Isa recorded an average annual temperature of 77°F. The hottest temperatures reached 109°F in January; the coolest were 45°F in June. Total precipitation for the year was 29 inches, with the wettest month being December.
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