With a population of around 6,500, Merrylands West sits in New South Wales, Australia. The city operates in the Australian Eastern time zone.
In 2025, Merrylands West recorded an average annual temperature of 65°F. The hottest temperatures reached 109°F in December; the coolest were 37°F in June. Total precipitation for the year was 41 inches, with the wettest month being May.
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