Cairns Weather in December

Thinking of visiting Cairns in December? Expect high temperatures reaching 29°C (84°F) during the day, dropping to 24°C (75°F) at night, and note that quite a bit of rainfall is likely.

Rainfall in Cairns in December

This month experiences about 9 days of rain according to historical data, averaging 153 mm (6 in). When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.

Temperature in Cairns in December

Expect highs of 29°C (84°F) in Cairns in December, with nights dropping to around 24°C (75°F). This kind of day-to-night contrast is typical for this time of year. At 24°C (75°F) overnight, it stays warm after dark. Light, breathable clothing and good airflow in your room make a noticeable difference.

Sunshine in Cairns in December

The month enjoys around 232 hours of sunshine, creating mostly sunny days with good weather conditions.

Average water temperature in December

With water at 27°C (81°F), you can expect warm, pleasant conditions for any water activity. There's no adjustment period, it feels comfortable straight away.

For Cairns itself, May, June, July, August, September, October and November generally stand out with the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.