Sydney weather in December (New South Wales, Australia)

Planning a trip to Sydney in December? Here's what the weather might have in store during this month.

In Sydney the weather in December is generally perfect, characterized by high temperatures and moderate rainfall. Anticipate daytime temperatures around 24°C, while night temperatures can drop to 18°C.

Sydney in December usually receives moderate rainfall, averaging around 63 mm for the month. Rain is expected on roughly 10 days.

The days are predominantly sunny, with an estimated total of around 257 hours of sunshine. This amount of sunlight does not only brightens the days but also contributes to a cheerful ambiance in the area during this month.

So this is a great month to visit if you prefer dry days with pleasant temperatures. January, March, April, May, September, October, November and December typically offer the most optimal weather. In contrast, February, June, July and August tend to have less optimal conditions.

For an in-depth look at the yearly conditions, visit our specialized Sydney climate page with graphs.

 

Sydney, monthly averages in December

Min TemperatureMin Temperature 18°C  
Max TemperatureMax Temperature 24°C  
Water TemperatureWater Temperature 20°C  
Chance of RainChance of Rain 34%  
PrecipitationPrecipitation 63 mm  
Rainy daysRainy days 10 days  
HumidityHumidity 58%  
WindspeedWindspeed 14 km/h  
SunshineSunshine 257 hours  
Percentage SunshinePercentage Sunshine 55%  

Where to go in Australia in December

Find out more about the weather in Australia in December and which places have the best weather conditions in this month.

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Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

So, what should you wear in Sydney in December?

For visitors traveling to Sydney, we recommend wearing layers. So maybe a skirt, t-shirt, shorts for during the day and jeans and a warm jacket for some days and evenings. Bring a rain jacket in case it rains during your stay. Plan on layering your clothes. With a water temperature of around 20°C this is a great month to swim so bring your swimwear.

What To Do

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

Swimming
9/10
Cycling
10/10
Walking
10/10
Barbeque
8/10
Camping
8/10
Outdoor sports
10/10

Interested in more climate information?

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

Our site offers climate and forecast data for every country 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 recommends destinations that suit your ideal climate conditions. Find out where to go with our weather planner.