AustraliaAverage weather for Byron Bay 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.
Start of December
The month of December starts in Byron Bay with hot temps, averaging around 28°C during the day and nights around 20°C. A few showers might pop up early in the month, but overall, it’ll stay mostly sunny and dry.
With the temperature difference between day and night, it’s smart to wear layers.
Mid December
By mid-December, daytime temps stay steady at around 28°C, with nights around 20°C. There’s a chance of some showers during this time, but plenty of dry and sunny days too.
Since it cools down at night, it’s a good idea to wear layers.
End of December
By the end of December, the average daytime temperature in Byron Bay is around 28°C, while nighttime temps are about 21°C. A shower might pop up, but overall, the weather will be dry and sunny.
Because temperatures drop in the evening, wearing layers is recommended.
Water temperature
The water temperature at Byron Bay is 27°C this month. Nice and warm for a swim.
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.
Byron Bay in December |
New York | ||
|---|---|---|---|
 Average temperature |
28°C | 9°C | |
 Max. temperature |
29°C | 12°C | |
| Min. temperature |
26°C | -5°C | |
 Total precipitation |
88 mm | 133 mm | |
| Rainy days |
10 days | 17 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?
Looking for great weather? December is a good time to be in Byron Bay. The temperatures are nice, and there’s not too much rain.
Temperature records
With 35°C in 2016, Byron Bay reached the highest temperature in December over the past 10 years. The lowest daytime temperature in this month was 19°C in 2022. The extreme nighttime temperatures ranged from a lowest recorded value of 12°C to a highest value of 24°C.
Check out the climate of Byron Bay 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.
Daily Temperature in December in Byron Bay
This chart shows the average daily high and low temperatures in December for Byron Bay, in degrees Celsius. The red line represents the highs, and the blue line shows the lows. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, provide the average temperatures for this month.
Daily Precipitation in December in Byron Bay
The chart below shows the average daily precipitation in December for Byron Bay, measured in millimeters over the past few years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are listed 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 it rained more often. But remember, it’s just an average, and every day can be different. Based on historical weather data for December, you can expect about 10 days of precipitation 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 few years.
Total precipitation in December in Byron Bay over the years
This chart shows the average precipitation in December in Byron Bay, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.
Daily weather in December for Byron Bay
Click on any day in December to get detailed info about the usual 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
