Weather in Cairns in December 2024
- December is usually the hottest month of the year in Cairns;
Average weather
Average temperature in Cairns in December
Going from a maximum of +30°C during the day to a minimum of +23°C during the night, the temperature in December averages around +28°C.
The average maximum temperature goes up 14% by the end of the month, compared with the beginning of the month, from +28°C to +29°C.
Is Cairns warm or cold in December?
Cairns is typically warm in December.
Maximum temperatures go up compared to the previous month from +28°C to +29°C. The minimum temperature also goes up from +24°C to +25°C.
It’s generally warm, but pack a long-sleeve shirt for evenings.
December is the hottest month in Cairns, here is the comparison with other months:
Water temperature in Cairns in December
Water in Cairns in December is Very warm. It varies from +28°C to +30°C, with an average of +29°C. This is almost similar to the air temperature, which averages +29°C.
The water temperature in December is one of the warmest of the entire year:
Can you swim in Cairns in December?
Climate in Cairns in December
| November | December | January | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +28°C | +29°C | +29°C | ||||
| Min. temperature | ||||||
| +17°C | +19°C | +21°C | ||||
| Max. temperature | ||||||
| +41°C | +38°C | +40°C | ||||
| Rainfall | ||||||
| 68 mm | 170 mm | 290 mm | ||||
| Wind | ||||||
| 3 m/s | 2 m/s | 2 m/s | ||||
| Avg. water temperature | ||||||
| +28°C | +29°C | +29°C | ||||
| Humidity | ||||||
| 75% | 77% | 80% | ||||
| Air pressure | ||||||
| 1010 HPa | 1008 HPa | 1007 HPa | ||||
| Sunny days | ||||||
| 5 | 3 | 1 | ||||
| Cloudy days | ||||||
| 8 | 5 | 3 | ||||
| Rainy days | ||||||
| 16 | 20 | 22 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
December weather is still as ok as in November. It’s getting warmer as December arrives. The average maximum temperature goes up from +28°C to +29°C during the day. Prepare for more rain. Average rainfall goes from 68 mm to 170 mm. Humidity rises from 75% to 77%. Winds are calmer in comparison to November, going down from 3 m/s to 2 m/s on average. The days becoming less sunny, going from 5 sunny days in November to 3 in December.
January brings much the same weather, it remains ok.
Wind
The average wind speed is 3 m/s getting up to 10 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in Cairns is gradually increasing during December, going from 2 m/s to 2 m/s over the course of the month.
Rain
How was the weather last December in Cairns?
Climate Change over Years
The climate in Cairns in December has not changed much over the last 43 years.
The average temperature was the lowest in 1982 (+24°C) and the highest in 2013 (+30°C). The driest year was 2002 with only 513 mm of rainfall, and the wettest year was 2023 with 3123 mm.
FAQ
Is December a good time to visit Cairns?
Can you sunbathe in Cairns in December?
Can you swim in Cairns in December?
Is Cairns rainy in December?
Is it sunny in Cairns in December?
Other cities in Australia
Monthly weather in Cairns
Source of the data
For this page, we’ve looked at the typical weather in Cairns, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.