Though it might not be the Australian capital, Sydney more than makes up for it with its sublime harborside attractions including the iconic Sydney Opera House and Harbor Bridge, and the promise of a day at Bondi Beach or another of the city’s world-famous stretches of Indian Ocean sand. Come nightfall, its brash, bold, and youthful population parties like nowhere else in Australia, while you’re never far away from the glories of the country’s unique wildlife in the Blue Mountains or elsewhere.
With so many potential attractions to consider, and with many of them heavily reliant on knowledge of Sydney’s weather, its vitally important to know when the best time to visit Sydney is. But as well as the weather conditions themselves, knowing when prices and tourist numbers are at their height is also important.
In this Sydney guide, we provide you with all this information, detailing the top times to visit Sydney before leading into a month by month breakdown of the weather conditions in Australia’s most populous city, and also some of the highlight events you can attend across the year in Sydney.
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Perhaps the most important thing to note from the start is the – perhaps obvious – fact that Sydney lies in the southern hemisphere. This means that anyone visiting from the northern half of the planet will find the seasons inverted, which can work both for and against the visitor.
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Sydney’s summer, therefore, falls from October through to February and sees the city’s sunniest weather, making this the perfect time for sightseeing and hitting the beaches, particular on either extreme of this period when humidity levels and temperatures highs aren’t as great.
The high season lasts from December until the beginning of February, while low season from June through to August see the lowest accommodation costs and number of people visiting the city, which makes it the best time of year to visit Sydney for budget-wary travelers. But perhaps the best time to visit when considering the weather, cost, and visitor numbers are the two shoulder seasons.
Sydney’s two shoulder periods run from mid-February through to the end of May, and then from September through to November. Being generally outside of the major school holidays, it can make it an impossibility for families looking to visit Sydney during these months, but those that do can enjoy clear skies, cool nights, and only infrequent bouts of short-lived rain.
The weather is pretty much guaranteed to be hot and humid from December until the beginning of February if that’s your main concern in visiting Sydney, though as the high season it also sees some of the highest accommodation prices, which tend to peak around the Christmas and New Year periods as a result of the closure of schools and offices in combination with the fact Sydney hosts one of the most popular New Year’s Eve Firework displays anywhere on the planet.
Read below for information about Sydney weather in January (Photo credit – surf-forecast.com)
One of the hottest and driest months in the Sydney year, January experiences a daily average of nine hours of sunshine and sees average daily temperatures of 73°F (23°C), with highs and lows around five degrees on either side of this. When it comes to rain, the city receives around five inches across half the month.
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Read below for information about Sydney weather in February (Photo credit – Daily Mail)
As Sydney’s summer comes to an end in February, the month sees temperatures identical to those in January, although hours of sunlight drop slightly to an average of eight hours daily. Levels of rainfall are also similar to the previous month, and the ocean remains warm at an incredible 73°F (23°C) too!
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Read below for information about Sydney weather in March (Photo credit – ellaslist.com.au)
The start of fall, the leaves of many of the city’s trees begin to fall, though average temperatures drop just one degree to 72°F (22°C), with highs and lows also dropping by just a degree. Rainfall jumps to 6.5 inches without affecting the number of sunshine hours you’ll get to enjoy.
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Read below for information about Sydney weather in April (Photo credit – Daily Mail)
The end of the heat and humidity of summer, April average temperatures decline to a still pleasant 66°F (19°C), with nights, in particular, becoming a little cooler. That said, the amount of rainfall the city sees falls back down to 5 inches, affecting around 12 days in the month.
Read below for information about Sydney weather in May (Photo credit – trover.com)
The month when fall generally turns towards winter, temperatures peak at 68°F (20°C) and average 61°F (16°C). While the amount of sunshine you’ll witness does drop a little more to seven hours daily, so does the amount of rain, with May experiencing four inches.
Read below for information about Sydney weather in June (Photo credit – Daily Mail)
The true beginning of winter means Sydney can experience some surprising cool weather – and strong winds racing across the city from the coast. As a result, the average temperature for the month doesn’t make it beyond 57°F (14°C), with around 5.5 inches of rain.
Read below for information about Sydney weather in July (Photo credit – canberratimes.com)
The coldest month of the year, July average temperatures settle at 55°F (13°C) and can see temperatures as low as 46°F (8°C). The good news for July is that raindrops to just over two inches, with 11 rainy days, and seven hours of sunshine. Sea temperatures actually remain higher than air temperatures, at 64°F (18°C), the lowest of the year.
Read below for information about Sydney weather in August (Photo credit – timeout.com)
Temperatures are back on the up, with an average of 57°F (14°C), while levels of rainfall and sunshine begin to steady themselves for the second half of the year. However, the wind can continue to be strong and gusty, sometimes meaning the cancellation of harbor ferry services.
Read below for information about Sydney weather in September (Photo credit – easyvoyage.co.uk)
The weather in Sydney in September is as changeable as it was in May, with the southern hemisphere spring promising to appear at some point during the month. When it comes to temperatures, the average for September is 61°F (16°C) but lows can still fall to 54°F (12°C).
Read below for information about Sydney weather in October (Photo credit – tripsavvy.com)
Halloween months see the definite return of warmer weather, 64°F (18°C) being the average, while highs can hit 72°F (22°C). Rainfall is limited to around 3.5 inches, while the amount of sunshine has now crept back up to nine hours daily.
Read below for information about Sydney weather in November (Photo credit – Daily Mail)
The last month in which to enjoy Sydney’s pleasant spring weather, in November the average temperature reaches a delightful 68°F (20°C) with highs and lows roughly eight degrees on either side of this figure. Amounts of rain and sunshine are comparable to those of October, while sea temperatures hit 66°F (19°C).
Read below for information about Sydney weather in December (Photo credit – abc.net.au)
December is the start of the summer period when a sunhat and sunscreen are more or less essential given the strength of the sun. Temperatures easily reach 72°F (22°C), and can rise to 79°F (26°C) without taking the humidity into account. Sea temperatures increase to 70°F (21°C).
To have sunny skies and warm temperatures – both on land and in the sea – without the highest humidity levels on your visit to Sydney, we would have to recommend the city’s two shoulder periods on either side of the summer months as the best time to visit Sydney.
The first of the year runs for more than three months from the middle of February through to the end of May. At the end of the summer, given Sydney’s reversed southern hemisphere climate, there’s definitely enough time during this period to find a couple of weeks to get away.
Alternatively, the second shoulder period exists in Sydney from roughly the beginning of September through to November, in the period between the end of spring and the beginning of the summer.
Bear in mind that if your primary interest is in the sea, for surfing or other water sports on the likes of Bondi Beach, the waters are warm right around the year, while heading to Sydney over December or January will see the city in its festive costume and preparing for its world-famous New Year’s Eve fireworks.
One of the world’s best outdoor cities, to make the most of your time in the southern hemisphere’s premier city you’re going to want to visit when the weather allows you to make the very most of your time. That said, there are plenty of indoor attractions should the weather take a turn for the worst, with museums and entertainment spots galore!
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Born in Los Angeles, Aaron Hovanesian is one of the original staff writers for Hotel Jules. Having backpacked the world as a young man, Aaron now prefers to travel the world in luxury, proudly staying in the world's most amazing hotels and properties. When Aaron is not traveling he lives in Western Colorado he can be found brewing his own beer (probably an IPA) or spending time with his two amazing golden retrievers.