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August in Cairns averages a daily high of 27.3°C. Expect roughly 7.8 wet days totalling 28mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Cairns is June–September.
Based on CAIRNS POST OFFICE, AS (2.1km), 1995–2024. 23 years of August data.
See all twelve months for Cairns →