Wetherill Park, in New South Wales, Australia, is home to roughly 6,100 people in the Australian Eastern time zone at 33.8°S latitude.
In 2025, Wetherill Park recorded an average annual temperature of 64°F. The hottest temperatures reached 107°F in December; the coolest were 34°F in July. Total precipitation for the year was 40 inches, with the wettest month being May.
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