Temperatures in December
It's warm in December in Byron Bay with an average temperature of 28°C. Temperatures this month range from a low of 26°C to a high of 29°C. At night, you can expect temperatures between 19°C and 21°C.
Max and Min Temperatures per Day
This chart shows the daily maximum and minimum temperatures in degrees Celsius for Byron Bay in December. The red line indicates the max temperatures, and the blue line shows the minimums.
Start of December
The month of December starts in Byron Bay with hot temperatures, averaging around 28°C during the day and nights close to 20°C. A few showers might pop up in the first days of the month, but the weather remains mostly sunny and dry.
Since temperatures can differ between day and night, it’s a good idea to dress in layers.
Mid-December
By mid-December, the average daytime temperature stays the same at 28°C, with nights close to 20°C. There might be a few showers during this period, but plenty of dry days with sunshine too.
Temperatures vary between day and night, so it’s smart to wear layers.
End of December
By the end of December, the average daytime temperature in Byron Bay will be around 28°C, with nights close to 21°C. A shower might show up, but overall the weather will be dry and sunny.
As it gets cooler in the evening, it’s best to wear layers.
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Water temperature
The water temperature at Byron Bay is 27°C this month. Nice and warm for a swim.
Precipitation in December
In December, there is an average of 88 mm of precipitation, spread over 10 days. The wind speed is around 5 Bft, mostly coming from the Southeast.
The average precipitation chance is 33% per day this month. Though it seems pretty low, the weather’s variable. Some days have higher and others lower precipitation chances, which lowers the average.
Precipitation Chance
This chart shows the daily precipitation chance (in percentages) in December for Byron Bay. 0% means it never rained on that day in the past 10 years, and 100% means it rained every day. All values in between represent the average chance of precipitation on that day.
Byron Bay in December |
London | ||
|---|---|---|---|
 Average Temperature |
28°C | 9°C | |
 High Temp |
29°C | 11°C | |
| Low Temp |
26°C | 8°C | |
 Total Precipitation |
88 mm | 67 mm | |
| Rainy Days |
10 days | 10 days | |
November
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.
Is December a good time to visit Byron Bay?
Want nice weather? Then December is a great time to be in Byron Bay. You’ll have pleasant temperatures and not too much rain this month.
Temperature records for Byron Bay in December
With 35°C, Byron Bay hit the highest temperature in the last 10 years in December 2016. The lowest daytime temperature in this month was 19°C in 2022. The extreme night temperatures ranged from a low of 12°C to a high of 24°C.
Check out the climate of Byron Bay for all months and discover the best travel time
Curious about the climate in other parts of Australia? Check out the weather and climate in places like Sydney, Gold Coast, Melbourne, or have a look at other destinations in Australia.
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Daily Temperature in December in Byron Bay
This chart shows the average daily temperatures, both day and night, for each day in December in Byron Bay, measured in degrees Celsius. The red line represents the maximum temperatures, while the blue line shows the minimums. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, gives an overview of the average daily temperatures during this month.
Daily Precipitation in December in Byron Bay
The chart below shows the average daily precipitation in December for Byron Bay, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are shown at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that rain is more likely. But it’s still an average, so each day can be different. Based on historical weather data for December, you can expect around 10 days of rain in Byron Bay.
Daily UV Index in December in Byron Bay
This chart shows the average daily UV index in December in Byron Bay, 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.
Temperature in December in Byron Bay Over the Years
This chart shows the average temperature in December in Byron Bay, measured in degrees Celsius, over the past years.
Total Precipitation in December in Byron Bay Over the Years
This chart shows the average precipitation in December in Byron Bay, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail.
Daily climate in December for Byron Bay
Click on a specific day in December for detailed info on the typical weather on that day in Byron Bay. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in December in Byron Bay
Have you been to Byron Bay in December?
Share your weather experience in December in Byron Bay.
Average Weather in Byron Bay by Month
Click on a month below to see detailed weather info for Byron Bay. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
Or check out the climate of Byron Bay for all months at once
