AustraliaThe weather in December in Cairns
It's hot in December in Cairns with an average temperature of 32°C. Temperatures this month range from a low of 31°C to a high of 33°C. At night, you can expect temperatures between 24°C and 25°C.
Looking for sun? December isn’t a good month to be in Cairns. The temperature is nice, but there’s too much chance of rain.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in December for Cairns, Australia. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.
Temperature records
With 37°C in 2018, Cairns reached the highest temperature in December over the past 10 years. The lowest daytime temperature in this month was 24°C in 2021. The extreme nighttime temperatures ranged from a lowest recorded value of 19°C to a highest value of 28°C.
Water temperature
The water temperature at Cairns is 31°C this month. It’s really warm, perfect for a swim.
Rainfall amount
In December, there is an average of 235 mm of precipitation, spread over 21 days. The wind speed is around 4 Bft, mostly coming from the Southeast.
Daily weather in December for Cairns
Click on any day in December to get detailed info about the usual weather on that day in Cairns. Check out the historical temperatures and precipitation over the past 10 years on this day.
December weather comparison
| Cairns | New York | |
|---|---|---|
| Average temperature | 32°C | 9°C |
| Max. temperature | 33°C | 12°C |
| Min. temperature | 24°C | -5°C |
| Total precipitation | 235 mm | 133 mm |
| Rainy days | 21 days | 17 days |
Start of December
The month of December starts in Cairns with hot temps, averaging around 33°C during the day and nights around 25°C.
Mid December
By mid-December, daytime temps drop to around 32°C, with nights around 25°C. There’s a high chance of precipitation during this time.
End of December
By the end of December, the average daytime temperature in Cairns is around 32°C, while nighttime temps are about 25°C. There’s a significant chance of many days with precipitation.
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UV index
The UV index is a maximum of 10 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
Check out the climate of Cairns for all months and discover the best travel time
Curious about the weather in other parts of Australia? Check out the climate and weather for spots like Sydney, Gold Coast, Melbourne, or explore other destinations in Australia.
Temperature charts
These charts show the average temperatures in December in Cairns, Australia. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in December in Cairns
Temperature in December in Cairns over the years
Precipitation charts
These charts show the average amount of precipitation in December in Cairns, Australia. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Daily Precipitation in December in Cairns
Total precipitation in December in Cairns over the years
Daily UV index in December in Cairns
This chart shows the average daily UV index in December in Cairns, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Weather experiences in December in Cairns
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Average weather in Cairns by month
Click on a month below to see detailed weather info for Cairns. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.