Best time to visit Australia: month by month

Australia is a continent-sized country, and its seasons are the reverse of the northern hemisphere's: summer runs from December to February, winter from June to August. The south, with Sydney and Melbourne, has four seasons. The tropical north, with Cairns, the Great Barrier Reef and Darwin, has a wet and a dry season instead. The Red Centre around Uluru is desert: very hot in summer, mild by day and cold at night in winter. So the best time depends on where you go – and for a trip combining several regions, the shoulder months are often the best compromise. We analysed the weather from 2015 to 2024 at four places.

The short answer

• Sydney and Melbourne: October to April. Sydney averages 23 to 27 °C by day, Melbourne 20 to 27 °C.
• Cairns, the reef and the tropical north: May to October, the dry season. Cairns gets only 36 to 85 mm a month, against 274 to 421 mm from January to March.
• Uluru and the Red Centre: April to September. Days are 20 to 29 °C; in December to February they average 36 to 37 °C.
• Best compromise for a combined trip: September to November, or April and May.
• Northern wet season: from October to April, according to the Bureau of Meteorology; the UK travel advice gives November to April for the cyclone season.

Australia's climate: all 12 months

Temperature and rain: monthly averages 2015–2024 from the ERA5 reanalysis (via Open-Meteo), rounded; for Uluru, the values are for the area around Yulara. A grid cell is about 25 km wide, so the values are a regional average rather than a single weather station. Melbourne's weather is famously changeable from day to day, so monthly averages hide large swings, and in the western suburbs of Sydney summer days are often much hotter than at the coast.

Cairns shows the tropical pattern: it is warm all year, at 24 to 31 °C by day, but the rain is concentrated in the wet season. January brings 421 mm, August only 36 mm.

Melbourne has the coolest winters of the big cities: from June to August it averages 13 to 14 °C by day and 7 °C at night.

Australia month by month

September to November: spring

A very good time for a first trip that combines several regions. Sydney and Melbourne warm up to 21 to 24 °C, the north is still in the dry season until October or November, and the Red Centre is warm but not yet at its hottest. Towards November, the humidity in the north rises and the first storms arrive.

December to February: summer

Beach season in Sydney and Melbourne, with 25 to 27 °C by day, and Australia's own summer holidays, so coastal towns and flights are busy. Around Uluru the days average 36 to 37 °C, which makes walks only possible early in the morning. In the north, this is the heart of the wet season with heavy rain, high humidity and the risk of tropical cyclones. The UK travel advice warns of bushfire risk especially from November to February. In tropical Queensland, the marine stinger season runs from November to May, according to WorkSafe Queensland, so swim in stinger nets and wear a stinger suit where advised.

March to May: autumn

Pleasant in the south, with 20 to 25 °C in Sydney in March and April. March is Sydney's wettest month at 151 mm. In the north, the wet season ends in April; from May, Cairns and the reef enter the dry season. The Red Centre becomes comfortable from April.

June to August: winter

The best time for the tropical north and the Red Centre. Cairns averages 24 to 25 °C by day with little rain, ideal for the reef and the rainforest. At Uluru the days are mild at around 20 °C, but nights average only around 7 °C. Sydney is mild and often sunny at 17 to 18 °C, while Melbourne is cool and grey at 13 to 14 °C – a good time for museums, food and the city, less so for the beach.

Planning a route

Distances in Australia are huge: Sydney to Cairns or Sydney to Uluru are flights of several hours, not drives. For a first trip of two to three weeks, many travellers combine Sydney, either Melbourne and the Great Ocean Road or Cairns and the reef, and a few days at Uluru. Because the north and the south have opposite best seasons, spring and autumn make it easiest to see both. More on the cities: how many days in Sydney. Comparing long-haul destinations? See the best time to visit Bali and the best time to visit Thailand.

How YesTrip helps with this trip

In YesTrip you plan Sydney, Melbourne, Cairns and Uluru day by day on one map, with the domestic flights between them. The forecast for your travel days shows the heat at Uluru or a storm in the tropics in good time, and the packing list adds sun protection, a hat and, for the reef, the right gear. Travelling with friends, you share the trip and split costs like tours, flights and the hire car; the map of your places also works offline, which helps in the outback.

Before you go

• Entry: British visitors need a visa or an Electronic Travel Authority (ETA) for Australia. Check the current rules on gov.uk before you travel.
• Time: Sydney is 9 to 11 hours ahead of the UK, depending on the time of year; Australia has several time zones.
• Power: 230 volts, sockets type I, so bring an adapter.
• Mobile data: a travel eSIM^* is usually much cheaper than roaming; our eSIM price index compares the prices per gigabyte.

More destinations by month: Best time to visit: where to go when.

The order from Sydney to Cairns that fits the seasons is in our 3-week Australia East Coast itinerary.

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