Cairns Weather in January

The climate in Cairns during January can be summarized as hot and very wet.

January is in the summer in Cairns and is typically the warmest month of the year. Daytime maximum temperatures average around a warm 31°C (88°F), whilst at night 23°C (73°F) is normal.

On average January is the 3rd wettest month of the year in Cairns with around 423mm 16.6 inches of rain making it a very wet time to visit. This rainfall is typically spread over 13 days, although this may vary considerably.

On the flip side this corresponds to an average of 7.1 hours of sunshine per day.

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Cairns in January 2025.