The highest day temperature in January 2025 was 98°F. The lowest night temperature was 76°F. The average values for day and night temperatures during January were 90.6°F и 79.2°F respectivly.

The average sea surface temperature in January 2025 for Cairns was 89.6°F. The maximum and minimum values were 89.0°F and 90.2°F respectively.

You can expect various weather conditions during January. Be ready for sunny, cloudy or even gloomy days.

Precipitation total in January for Cairns is 7.4 in. It makes january the most rainy month of the year.

The average wind speed in January is 6.6 mph. It makes January the most windless month of the year for Cairns.

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Cairns in January is 7.1 hours.