Weather in Cairns in January

January in Cairns is a hot month. Plan the serious walking for morning. The rest of the day wants shade and a slower pace.

In Australia, this is how Cairns actually wears January, not how a country centroid would. January is high summer in the southern year. Do not pack Cairns as if it were a northern winter. January is the peak of the warm side of the year in Cairns. If you wanted the gentlest heat, this is not that month.

Cairns
Average temp
25°C

20–30°C

Rainfall
227 mm

A wet month

Sunshine

What to expect

Daytime

Hot days in Cairns. Ruins, markets and hills are a morning job. Midday sightseeing is how people remember January for the wrong reason.

Nights stay warm. Air-con, if you can get it, is part of the brief. A jumper for January in Cairns is almost always a waste of bag space.

Rain

January is the wet side of the year in Cairns. Days can be heavy. Plans that cannot survive rain are the wrong plans.

This is not a reason to skip Cairns if you like the place. It is a reason to pack for weather and to stop treating every grey hour as a failed holiday.

Evening

Evenings stay warm.

What to pack

  • Rain jacket

Where to stay in Cairns

Dates are a starting point for January.

All hotels in Cairns

Travel guides for Cairns

What to read before you book.

All travel guides in Cairns

Average weather in Cairns

TemperatureRainfall

Source: MeteostatPeriod: 1991-2020Checked: 28 Aug 2026265 places covered

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FAQs about Cairns

Climate averages for Cairns, 1991–2020.

The best time to visit Cairns is between May and October, the most comfortable stretch of the year on these averages.

December is the hottest month, with an average around 25°C.

February is the wettest month, with about 278 mm of rain.

No. These are 1991–2020 climate normals from Meteostat, not a live forecast. Actual weather in any given week can differ.