High season across much of Oceania with hot, sunny weather in southern Australia and New Zealand and increasing humidity in the north. Pacific islands and northern Australia may already be entering their wet season; expect heavy rains and possible tropical disturbances later in the season. Book accommodations early for Christmas-New Year periods and major events.
Average daily low and high (°C) and monthly rainfall, from each country's largest city. The badge shows how it feels, allowing for humidity.
Average temperature across Oceania in December.
Darwin, Kakadu, Broome, Kimberley
The dry season’s end starts to show warmer afternoons and occasional isolated showers as the build to the next wet season begins. Tourist numbers drop after the peak months and remote lodges offer shoulder-season rates, yet keep an eye on long-range cyclone guidance for late-season systems. Soft dawns and late sunsets make it a photographer’s favourite time; still pack a lightweight rain shell in case of early storms.
Cairns, Whitsundays, Townsville
The wet season begins anew with heavy tropical showers, rising humidity and a renewed risk of cyclones from November to April. Outer reef trips may be canceled during major storms and many small island resorts scale back services during prolonged rains. If visiting now, prepare for sudden weather changes, expect fewer tourists in remote spots, and bring high-SPF sunscreen, insect repellent and a waterproof bag for electronics.
Alice Springs, Uluru, Kata Tjuta, Kings Canyon
The late-summer build back toward warmer temperatures continues with long hot days and warm nights; some high-elevation pockets cool slightly at night. Road maintenance can be irregular after summer storms, so check conditions before driving across remote stretches. For travelers, this is a time for securing guided, well-supported trips rather than unsupported long-distance self-drives.
Brisbane, Sydney, Melbourne suburbs, Canberra, Blue Mountains
The transitional end of the year is warm and often humid along the coast, with holiday crowds flocking to beaches and national parks. Sydney Harbour is lively with New Year events and booking pressure peaks for accommodation and popular coastal tours. If avoiding crowds, visit earlier or later in the month; otherwise pack for heat, strong sun and the occasional stormfront.
Adelaide, Kangaroo Island, Barossa; Perth, Margaret River, Albany
Autumn returns with cooling temperatures and a smoothing of conditions-this is harvest and festival season across many food and wine regions, and coastal touring is comfortable. Rain becomes more likely again in the southwest toward the end of the month. Travelers should enjoy the outdoor events while packing a mix of light summer layers and warmer evening wear for cellar-door tastings.
Hobart, Launceston, Freycinet, Cradle Mountain
Autumn returns with stronger westerlies and cooling nights; the island’s forests begin showing autumn tones and seafood season continues. Daytime weather is comfortable for driving the east coast and exploring southern peninsulas, while mountain areas become brisk. For travelers, this is a great shoulder season for combining city culture with coastal touring-pack layers and waterproof footwear.
North Island & South Island, including Auckland, Wellington, Queenstown, Fiordland
Pre-summer warmth increases and the first busy weeks of the holiday season arrive in December-garden and cultural festivals run alongside busy national parks. Weather is generally travel-friendly but still prone to passing southerly fronts that can cool mountain areas suddenly. Travelers should reserve key activities early, bring sun protection and a windproof shell for exposed ridge walks.
Fiji, Vanuatu, New Caledonia, Solomon Islands, Samoa, Tonga, Papua New Guinea
By early summer the region returns to hot, humid conditions and the formal cyclone season becomes active-make sure to follow local forecasts between November and April. Resorts in well-served archipelagos operate with contingency plans; smaller, remote islands can be more vulnerable to service interruptions. For travelers, flexible bookings, emergency plans and a waterproof bag are recommended-this is the trade-off for warm seas and fewer peak-season crowds.
Holiday travel peak with major New Year's Eve fireworks in Sydney Harbour.
See how December compares with the rest of the year, then read the full guide.