December Weather Averages for Sydney, Australia

What's the Weather Like in Sydney in December

With world-class culture, dining and architecture combined with beautiful beaches and an abundance of sunshine, Sydney is a bucket-list destination for many travellers. Located on the east coast of Australia in New South Wales, it is often referred to as the Harbour City thanks to its advantageous location.

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  • Temperature Temperature 22°C 72°F
  • High Temperature Holiday Weather 26°C 79°F
  • Low Temperature Holiday Weather 18°C 64°F
  • Sunshine Hours Sunshine Hours 9 hrs
  • Rainfall Rainfall 85 mm
  • Rainfall days Rainfall days 14 days
  • Sea Temperature Sea Temperature 21°C 70°F

Daily December Averages for Sydney

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Day 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
°C 25 22 22 23 21 21 22 25 23 22 22 22 23 24 24 22 22 24 24 26 23 23 24 23 22 22 22 22 23 24 25
°F 77 72 72 73 70 70 72 77 73 72 72 72 73 75 75 72 72 75 75 79 73 73 75 73 72 72 72 72 73 75 77

What's the Weather Like in Sydney in December

With world-class culture, dining and architecture combined with beautiful beaches and an abundance of sunshine, Sydney is a bucket-list destination for many travellers. Located on the east coast of Australia in New South Wales, it is often referred to as the Harbour City thanks to its advantageous location.

If you're lucky enough to be holidaying in Sydney in December, you can expect great weather. Unlike other parts of the world where the weather is cold and wet, December in Sydney is the start of summer (till February). This means the temperatures will rise and there will be lots of sun. Sydney experiences more than 300 sunny days a year in general, which is one of the reasons why it is such a popular holiday destination.


In the month of December the average daytime temperatures are generally around 22°C with average minimum temperatures that never drop below 18°C. High temperatures can reach a balmy 26°C on some days, but luckily, sea breezes from the waterfront ensure that the city never feels too sweltering.


Sydney is a sunny city in general, but December sees a good amount of sunshine. The city usually experiences an average of 9 hours of sunshine per day throughout the month and there's an 18% chance of a sunny day.


While December tends to be warmer and sunnier then its preceding months, Sydney also receives quite a lot of its rain during the summer. You can expect an average of 85mm of rain throughout the month with around 14 wet days and a 45% chance of a rainy day.

Sea Temperature

Should you want to take a dip in the sea in December, you will be able to do so comfortably. The average temperature of the sea is a warm 21°C which is the perfect temperature to go for a swim or take up surfing.

Hotels for Sydney in December

Sydney is filled with amazing accommodation options to suit every traveller, from luxury five-star hotels to budget-friendly backpacker hostels.

Swissotel Sydney

Swissotel Sydney is a contemporary, twenty-five storey hotel housed inside the historic Grace Bros. building in downtown Sydney. If you're looking for chic accommodation within a great setting, it's a great choice; rooms here are elegant and comfortable while its central location means that many of Sydney's attractions such as Hyde Park and the Sea Life Aquarium are within short walking distance.

The hotel also has pedestrian links to two of Sydney's most popular shopping centres, the Pitt Street Mall and the Queen Victoria Building, perfect for picking up some last minute Christmas presents.

Manly Paradise Beachfront Motel and Apartments

For beach-side accommodation that allows you to enjoy Sydney's summer weather, book your stay at Manly Paradise Beachfront Motel and Apartments. This relaxed hotel is located right on Manly Beach but the city is just a short boat ride away. Rooms here are bright and comfortable with flat-screen TVs and Wi-Fi, while facilities include a rooftop pool and sundeck.

Beaches for December for Sydney

Bondi Beach

It may seem strange to non-Australians to be on the beach in December, but the scorching summer weather makes it the perfect time. In fact, many Sydney locals celebrate Christmas Day with a barbecue on the beach. Sydney has many amazing golden beaches, one of the most famous being Bondi Beach, of course, but if you wish to explore further, head to Sydney's northern beaches.

The beach is home to the Macquarie Bondi to Bronte Ocean Swim, which takes place on the first Sunday of every December. Each year, thousands of swimmers take to the seas to make the 2-kilometre swim. Whether or not you feel like joining them, it makes a great event to watch thanks to its community atmosphere and sporting spirit. 

Restaurants and Bars for Sydney in December

Sydney is a world-class destination when it comes to dining. The city is home to a huge range of bars, cafés and restaurant that vary in style and price.

Bennelong Restaurant

For an unforgettable dining experience, reserve a table at the Bennelong Restaurant. Located within the Sydney Opera House, this gourmet restaurant enjoys its reputation as one of the city's best dining spots thanks to unrivalled cuisine and breathtaking views of the harbour. This makes a great place for a special occasion or romantic rendezvous. 


If you're craving something a little different, Sake is a contemporary Japanese-style restaurant with fun and funky surroundings, located in The Rocks. Here, diners can enjoy delicious sushi and sashimi dishes as well as a range of creative cocktails.

Bourke Street Bakery

Last but not least, Bourke Street Bakery should be on your must-visit list when you're in Sydney. This Surrey Hills institution is loved by locals and visitors alike, with lines that regularly spill out onto the street. The boulangerie serves a selection of delicious croissants, tarts and artisan breads that are divine.

Things to Do in Sydney in December

Sydney to Hobart Yacht Race

As a thriving and bustling city, there's always something to see or do in Sydney. Apart from the usual tourist attractions such as the Sydney Opera House, Harbour Bridge and the Royal Botanic Gardens, Sydney hosts many festivals and events throughout the year. The Sydney to Hobart Yacht Race begins on Boxing Day. This popular and hotly-anticipated yachting event starts in Sydney Harbour and finishes in Hobart, Tasmania.

New Year's Eve Fireworks Displey

If you happen to be in Sydney over New Year's Eve, join the locals and celebrate the fesitivities in style. The magnificent and spectacular fireworks display on the New Year's Eve is arguably one of the most famous in the world and isn't to be missed if you're in the city during this time. 

Quarantine Station

For local history, head over to the Quarantine Station near North Head. Dating back to colonial times, the facility used to house any arriving convicts who were believed to have infectious diseases. Today the station forms part of the Sydney Harbour National Park and is worth visiting for the views alone. 

December events in Sydney

Annual Event

Christmas Day on Bondi Beach

25th December 2018

Thousands of tourists and locals alike flock to Bondi Beach to spend Christmas day. The beach is strictly alcohol free on Christmas day, but a party in the pavilion is organised to keep the beach clean and safe for families to enjoy. The pavilion party is a ticketed event, so you will need to purchase tickets before entry.


New Year

31st December 2018 to 1st January 2019

Enjoy a stunning firework display at Darling Harbour. There will be light shows and partying from 7pm, until the firework display at 9pm. There will be food and drinks available to purchase at the event, but this is a family friendly event, so no alcohol is allowed. Admission is free, but it is advisable to get there early to avoid crowds, and ensure a good viewing point.


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