Sydney weather in December (New South Wales, Australia)

What is the weather forecast for Sydney in December? Check out our in-depth weather guide for this month.

Temperatures

Experience perfect weather in Sydney in December, characterized by high temperatures and moderate rainfall. During the day, temperatures usually reach up to 24°C. At night, they tend to fall to approximately 18°C.

Precipitation

Sydney in December usually receives moderate rainfall, averaging around 63 mm for the month. According to historical climate patterns, there are usually around 10 days days of rain.

Average sunshine

The days are predominantly sunny, with an estimated total of around 257 hours of sunshine. These sun-filled days are perfect for spending time outside. Whether it's playing sports, visiting a park, or going for a bike ride.

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 Temperature 18°C  

Max Temperature 24°C  

Water Temperature 20°C  

Chance of Rain 34%  

Precipitation 63 mm  

Rainy days 10 days  

Humidity 58%  

Windspeed 14 km/h  

Sunshine 257 hours  

Percentage Sunshine 55%  

Where to go in Australia in December

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

Weather conditions Weather

Temperatures

Precipitation

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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 this month?

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.

Swimming

9/10

Cycling

10/10

Walking

10/10

Barbeque

8/10

Camping

8/10

Outdoor sports

10/10

Interested in more climate information?

This site 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 travel conditions. Find out where to go with our weather planner.