Average Weather during 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

Show in Fahrenheit

Min Temperature 20 °C
Max Temperature 26 °C
Water Temperature 25 °C
Chance of Rain 47%
Precipitation 139mm
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

More Climate Information For Byron Bay

Weather and Climate offers all the information you need to know about the climate in Byron Bay.

We collected past weather data from many thousand weather stations around the world. So find on this website the historical weather averages in other cities in Australia and climate and forecast data for all other countries in the world.