Average weather in December in Byron Bay (New South Wales), Australia

The average minimum temperature (usually the minimum temperature is noted during the night) in Byron Bay in December is 20.0°C (68°F). The amount of rain in December is high with an average of 139mm (5.5in). The average maximum daytime temperature lies around 26.4°C (79.52°F). If you enjoy looking at a blue sky and love the sun than this is a great time to go to Byron Bay with 250 hours of sun.


So what to wear in December? Visitors traveling to Byron Bay should plan on bringing a totally waterproof rain jacket since it will often be raining. Also bring your shorts or a skirt because it can be very warm or even hot. With a water temperature of around 25.0°C (77°F), this is a great month to swim so bring your swimwear.

No idea where to travel to this year? We now have a tool which suggests which destination suits your ideal climate conditions. Find out where to go with our weather planner.

For other monthly average weather and what to do in December look at the numbers below.

Monthly Averages in December

Show in Celsius

Min Temperature 68 °F
Max Temperature 79 °F
Water Temperature 77 °F
Chance of Rain 47%
Precipitation 5 in
Rainy Days 14
Sunshine Hours 250

Where to stay in Byron Bay

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do in .

Swimming
9/10
Cycling
7/10
Walking
7/10
Camping
6/10
Outdoor sports
7/10

Weather Forecasts for Byron Bay (New South Wales)

FRI Dec 03
76°F | 65°F

Patchy rain possible

SAT Dec 04
77°F | 66°F

Heavy rain

SUN Dec 05
71°F | 66°F

Heavy rain

Interested in more climate information?

Weather and Climate provides you with all the information you need about the climate in Byron Bay.

Our site offers climate and forecast data for almost all countries in the world. Are you going to Australia? On this website you can find historical weather averages for many cities in Australia. Not sure yet where to go? We now have a tool which suggests which destination suits your ideal climate conditions. Find out where to go with our weather planner.