Sydney weather
11-year climate averages (2015–2025), month by month
Sydney in october
Current month averages, based on 11 complete years of records (2015–2025). Read the full guide →
Sydney sits at 33°52′S 151°12′E in Australia, in Oceania. Its climate profile is shaped by these coordinates — and the 11 complete years of records below (2015–2025) reveal exactly how each season feels on the ground.
Below, you'll find monthly averages for temperature, rainfall and sunshine, drawn from the Open-Meteo Archive. Every month links to a full guide with what to pack, where to stay, and when to arrive.
The year in weather
Sydney weather by month
Pick a month for the full climate guide — temperature, rainfall, sunshine, packing tips and hotel deals for Sydney.
Places that feel like Sydney in october
Sydney weather — FAQ
Q01What is the ideal season to travel to Sydney?
What is the ideal season to travel to Sydney?
The best months to visit Sydney are September, October, November, December. March-April is autumn: harbor water still 22C, humidity drops, and the Sydney Royal Easter Show fills Homebush with country show-bag culture.
Q02When does Sydney reach its peak summer heat?
When does Sydney reach its peak summer heat?
January runs the highest averages in Sydney, with typical daytime highs of 27°C (80°F). January 40C heatwaves send locals to Bronte or Clovelly (calmer than Bondi) or the free Andrew Boy Charlton pool at Woolloomooloo where sea water fills the lap lanes.
Q03When is winter at its deepest in Sydney?
When is winter at its deepest in Sydney?
June brings the lowest averages, with daytime highs near 17°C (62°F). July nights drop to 8C and Sydney homes have no insulation; locals layer up and huddle in the Australian Museum or the Blue Mountains for actual snow at Katoomba.
Q04What is the wettest time of year in Sydney?
What is the wettest time of year in Sydney?
March typically records the highest monthly rainfall — around 151mm on average. March east coast lows dump 200mm in 48 hours; the Parramatta River floods Windsor and ferry services from Circular Quay suspend during 4m swells.
Q05What kind of climate does Sydney have?
What kind of climate does Sydney have?
Sydney, Australia has warm summers, mild winters, moderate seasonal rainfall. Sydney is not Australia's capital (Canberra is) and locals resent the assumption. The eastern suburbs (Bondi, Bronte, Coogee) and inner west (Newtown, Marrickville) despise each other's aesthetics — one is model-perfect, the other is Portuguese chicken and Vietnamese pho. 'The bridge' means the Harbour Bridge and 'the coathanger' is its nickname. Never queue-jump at a bakery; the correct phrase is 'sorry mate, you before me?' Order a 'flat white' invented here, not a latte. You can read the detailed month-by-month breakdown on this page.