December is the first summer month in most of Australia (and the rainy season in the tropical north). It’s a busy time of year with school holidays around Christmas and New Year and an increase in international visitors who come to experience Australia’s famously hot weather. And, despite temperatures being very hot in some places, there are plenty of spots to cool down and avoid the heat.
December in Australia offers a diverse range of experiences, from the warmth of the southern cities to the tropical conditions of the north. Understanding the weather patterns, crowd dynamics, and available activities will help you plan an unforgettable trip.
## Weather in Detail
Across the vast expanse of Australia, December brings generally warm to hot conditions. However, there are variations depending on the region. Tasmania, located in the southernmost part of the country, presents the coolest climate during this time. Hobart, the capital of Tasmania, enjoys average December highs around a pleasant 68°F (20°C), making it an appealing escape from the hotter mainland.
Moving further north, cities like Adelaide, Melbourne, Canberra, and Sydney can be susceptible to heat waves, with temperatures occasionally soaring above 105°F (40°C). While these extreme conditions aren’t constant, it’s important to be prepared. On average, Adelaide, Canberra, and Sydney experience highs of approximately 79°F (26°C) in December, while Melbourne is slightly cooler at around 77°F (25°C). Perth, despite being situated on a similar latitude to Sydney but on the western coast, tends to be hotter. Its average highs align with those of Brisbane, reaching about 84°F (29°C). Therefore, regardless of your destination in Australia during December, expect predominantly hot weather, making sun protection and hydration essential.
Rainfall is another factor to consider. With the exception of the tropical north—encompassing northern Western Australia, northern Northern Territory, and northern Queensland—most of Australia experiences relatively dry conditions in December. Brisbane, however, can be an exception, as it typically receives a significant portion of its annual rainfall during the summer and autumn months. The city also tends to be more humid during this period. Other major cities generally remain drier throughout December.
Inland, the desert regions experience intense heat. Alice Springs, for example, has average highs of 95°F (35°C) in December, with overnight lows dropping to around 68°F (20°C). This creates a significant temperature swing between day and night, requiring careful planning for outdoor activities.
## Crowds and Costs Considerations
December marks a distinct contrast in tourism patterns across Australia. The tropical north enters its low season, characterized by high temperatures and heavy rainfall from November to April. Conversely, the rest of the country experiences a surge in tourism, making it the high season.
The Christmas and New Year period sees a significant increase in domestic travel, as many Australians take advantage of extended vacations. School holidays also contribute to this trend, with families embarking on trips throughout December and January. Expect to encounter more locals exploring regional attractions, especially later in the month.
As a result of the increased demand, accommodation and transportation options become more crowded, particularly in popular destinations. It is highly recommended to book these services well in advance to secure your preferred choices and avoid inflated prices. However, given Australia’s vastness, even during peak season, you can still find peaceful and secluded locations if you prioritize them.
## Deciding Where to Go in December
If you’re not inclined towards high humidity, tropical rain, and temperatures around 95°F (35°C), it’s best to avoid the tropical north in December. Furthermore, swimming in the sea is not advisable in these regions due to the presence of dangerous jellyfish during this time of year.
Beyond the tropical north, most other regions of Australia are readily accessible in December. While the southern cities can experience heat waves, they offer a range of air-conditioned indoor spaces and boast beautiful beaches nearby for cooling off. Even the outback, despite its extreme heat, can be explored by flying into Alice Springs and/or Uluru, eliminating the need for long drives in scorching conditions. Tasmania, known for its cooler temperatures compared to mainland Australia (though it is also subject to heat waves and bushfires), stands as an outdoor enthusiast’s haven.
## Activities to Enjoy
For cooler temperatures and excellent hiking opportunities, Tasmania should be a top consideration. A substantial portion of the island is dedicated to forested, mountainous national parks and reserves, providing ample opportunities for outdoor exploration.
For those who enjoy swimming in the sea or spending time on the beach, Australia offers abundant options in December. The major southern cities, with the exception of inland Canberra, all have excellent beaches within easy reach. For more secluded beach experiences, consider southern Western Australia, the extensive coastline between Sydney and Brisbane, or the south coast of New South Wales.
## December Events
* **Christmas and New Year, nationwide:** Celebrations and events are widespread across Australia leading up to Christmas and continuing through the week between Christmas and New Year. You’ll find festivities in most locations. Sydney, in particular, is renowned for its vibrant New Year’s Eve celebrations.
* **Cricket matches:** Sporting enthusiasts can often find cricket matches taking place throughout the country during December.
* **Sydney to Hobart Yacht Race:** This prestigious yacht race commences on December 26th and can be witnessed from Sydney Harbour.
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