Cairns
December
Weather in Cairns for December 2026
Your guide to Cairns weather in December - trends and predictions
In general, the average temperature in Cairns at the beginning of December is 29.1 °C. As the month progressed, temperatures tended to slightly decrease, reaching an average of 28.9 °C by the end of December.
Cairns in December brings notable rainfall, with an average of 18 rainy days and a total precipitation of 425.5 mm.
Is December a good time to visit Cairns? check out the best time to travel to Cairns page.
✨ Is December a good time to visit Cairns? – Ask the AI Weatherman
Temperatures
Rain 🌧️
More
13
Dry days
18
Rainy days
0
Snow days
29°/23°
Temperatures
16 km/h
Avg max wind
79 %
Avg humidity
Cairns Weather December
Move between months or click on a day
Temperatures trend during December in Cairns
See the weather trend as well as the moving average line
December weather in Cairns day by day
Click on a date for more information
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Dec. |  Light rain | 31° /23° | 4.6 mm | 9 | |
| 2 Dec. |  Patchy rain possible | 31° /23° | 1.8 mm | 9 | |
| 3 Dec. | Light rain | 30° /23° | 4.4 mm | 9 | |
| 4 Dec. |  Moderate rain | 26° /23° | 16.3 mm | 8 | |
| 5 Dec. | Light rain | 28° /23° | 4.6 mm | 8 | |
| 6 Dec. | Patchy rain possible | 29° /23° | 0.7 mm | 8 | |
| 7 Dec. | Patchy rain possible | 29° /22° | 0.9 mm | 8 | |
| 8 Dec. | Patchy rain possible | 29° /23° | 0.2 mm | 8 | |
| 9 Dec. |  Sunny | 30° /23° | 0.2 mm | 9 | |
| 10 Dec. |  Partly cloudy | 30° /22° | 0.3 mm | 9 | |
| 11 Dec. |  Overcast | 30° /22° | 0.1 mm | 9 | |
| 12 Dec. | Light rain | 30° /23° | 9 mm | 9 | |
| 13 Dec. |  Heavy rain | 29° /24° | 96.1 mm | 9 | |
| 14 Dec. | Heavy rain | 29° /24° | 38.8 mm | 9 | |
| 15 Dec. | Heavy rain | 28° /23° | 40.9 mm | 8 | |
| 16 Dec. | Moderate rain | 28° /24° | 17.3 mm | 8 | |
| 17 Dec. | Torrential rain shower | 28° /24° | 37.1 mm | 8 | |
| 18 Dec. | Heavy rain | 28° /23° | 41.9 mm | 8 | |
| 19 Dec. | Light rain | 28° /23° | 4.8 mm | 8 | |
| 20 Dec. | Moderate rain | 28° /23° | 17.5 mm | 8 | |
| 21 Dec. | Light rain | 28° /23° | 7.2 mm | 7 | |
| 22 Dec. | Moderate rain | 29° /24° | 11.9 mm | 8 | |
| 23 Dec. | Patchy rain possible | 29° /24° | 2.4 mm | 8 | |
| 24 Dec. | Patchy rain possible | 30° /24° | 0.7 mm | 9 | |
| 25 Dec. |  Moderate or heavy rain shower | 30° /25° | 5.1 mm | 8 | |
| 26 Dec. | Moderate rain | 28° /25° | 24.2 mm | 7 | |
| 27 Dec. | Moderate or heavy rain shower | 29° /25° | 7.9 mm | 7 | |
| 28 Dec. | Moderate or heavy rain shower | 29° /24° | 5.9 mm | 7 | |
| 29 Dec. | Light rain | 29° /24° | 5.2 mm | 7 | |
| 30 Dec. | Moderate rain | 29° /24° | 11.3 mm | 6 | |
| 31 Dec. | Light rain | 29° /24° | 6.2 mm | 7 | |
| Next | |||||
Important Notice
Our weather forecast for Cairns in December is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Cairns forecast closer to your planned date for the most up-to-date weather information.
Change Month
Cairns in December - FAQ
What are the expected maximum and minimum temperatures in Cairns during December?
During December, expect a variety of temperatures with highs around 29° and lows near 23°, suitable for diverse activities and preferences.
How much rainfall should be expected in Cairns during December?
Significant rainfall exceeding 425.5 mm is expected in Cairns during December, occurring over more than 18 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Cairns during December?
The average wind speed in Cairns during December is 16 km/h, suggesting breezy to windy conditions, depending on your activities.
Cairns water temperatures in December
The average water temperature of the Pacific Ocean near Cairns in December is 28.6 °C. At the beginning of December temperatures are around 28.4 °C; by the end of the month they get a bit warmer and reach 28.9 °C.
- What is the water temperature in Cairns in December?
- The average water temperature in Cairns in December is 28.6 °C.
- Can you swim in Cairns in December?
- The sea feels almost bath-like – perfect for floating, paddle-boarding or spending hours snorkeling without a wetsuit.
December rainfall patterns in Cairns
Explore the daily rainfall trends and prepare for Cairnss December weather 💧
Typically, Cairns has 18 rainy days in December with a total of 425.5 mm of rainfall.
UV exposure in Cairns during December
Stay informed about UV levels for safe outdoor activities throughout the month of December ☀️
Quick links
More Cairns weather pages
You are here
Where is Cairns?Get accurate weather forecasts for Cairns, located at latitude -16.924 and longitude 145.766. Stay updated with localized weather information tailored for Cairns.
Related locations
Select a location for accurate weather forecast
More Locations Found a mistake?
We appreciate your attention to details. Tell us here.