When to go
The Best Time to Visit Cairns
Month-by-month climate data for Cairns, Australia — daily highs and lows, rain days, and an honest verdict for every month of the year.
May–October. Dry season with clear reef visibility; November–April brings the wet season and box-jellyfish risk.
Warmest in Cairns: Jan (31°C / 88°F) · Coolest: Jul (24°C / 75°F) · Wettest: Jan (~24 rain days)
Daily highs / lows in °C · bars show rain days per month · ERA5 climate normals (2020–2024)
Cairns climate, month by month
January
31° / 24°C
~24 rain days
Fair
February
31° / 24°C
~21 rain days
Fair
March
30° / 24°C
~20 rain days
Fair
April
29° / 23°C
~17 rain days
Good
May
26° / 20°C
~13 rain days
Excellent
June
25° / 19°C
~9 rain days
Excellent
July
24° / 18°C
~9 rain days
Excellent
August
25° / 18°C
~10 rain days
Excellent
September
27° / 20°C
~11 rain days
Excellent
October
29° / 21°C
~7 rain days
Excellent
November
30° / 22°C
~13 rain days
Good
December
31° / 24°C
~18 rain days
Fair
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