Climate in Sydney (New South Wales, Australia)

The graphs below show the monthly weather averages over the year.

Average day and night temperature

The mean minimum and maximum temperatures over the year. Show in Celsius

Average min and max temperatures in Sydney, Australia   Copyright © 2023  weather-and-climate.com

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Monthly hours of sunshine

The average monthly total hours of sunshine over the year

Average monthly sunhours in Sydney, Australia   Copyright © 2023  weather-and-climate.com

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Daily percent of sunshine

The mean percent of hours of sunhours during the day over the year

Average percent of sunshine in Sydney, Australia   Copyright © 2023  weather-and-climate.com

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Where to stay in Sydney

Booking.com

Average water temperature

The mean water temperature over the year. Show in Celsius

Average water temperatures in Sydney, Australia   Copyright © 2023  weather-and-climate.com

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Monthly precipitation

The mean monthly precipitation over the year, including rain, snow, hail etc. Show in Millimeter

Average precipitation (rain/snow) in Sydney, Australia   Copyright © 2023  weather-and-climate.com

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Monthly rainy days

The average number of days each month with rain, snow, hail etc.

Average rainy days (rain/snow) in Sydney, Australia   Copyright © 2023  weather-and-climate.com

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Average humidity

The mean monthly relative humidity over the year

Average relative humidity in Sydney, Australia   Copyright © 2023  weather-and-climate.com

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Average wind speed

The mean monthly wind speed over the year (in meters per second)

Average wind speed in Sydney, Australia   Copyright © 2023  weather-and-climate.com

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Weather Forecasts for Sydney (New South Wales)

Mon   May 29
66°F | 50°F
W 16 mph
clear and no rain

clear and no rain

Tue   May 30
72°F | 50°F
W 11 mph
partly cloudy and no rain

partly cloudy and no rain

Wed   May 31
68°F | 50°F
W 9 mph
broken clouds and no rain

broken clouds and no rain

The best time of year to visit Sydney in Australia

Sydney has a humid subtropical climate meaning mild cool winters and hot summers. Rain and sunshine is spread out evenly throughout the year.

Summer in Sydney starts in December and lasts until the end of March. In the summer months it is hot and the maximum average temperatures are between 25 and 27 degrees Celsius (77-80.6° Fahrenheit). In recent years heat waves and drought have become more common. July is the coldest month with an average of 17.8 degrees Celsius (64° F) in the day and the temperature is almost always above zero at night.

The best time to go to Sydney is in spring. In the months September and October it is quite dry and it is pleasantly warm without getting to hot. Sydney has 105 days of clear days a year making it a sunny destination.

During the months of January, February, March, April, October, November and December you are most likely to experience good weather with pleasant average temperatures that fall between 20 degrees Celsius (68°F) and 26 degrees Celsius (79°F).

Other facts from our historical climate data:

  • Which is the warmest month in Sydney?
    January has an average maximum temperature of 25°C (78°F) and is the warmest month of the year.
  • Which is the coldest month in Sydney?
    The coldest month is July with an average maximum temperature of 16°C (61°F).
  • Which is the wettest month in Sydney?
    March tops the wettest month list with 144mm (5.6in) of rainfall.
  • Which is the driest month in Sydney?
    September is the driest month with 58mm (2.3in) of precipitation.
  • Which is the sunniest month in Sydney?
    December is the sunniest month with an average of 257 hours of sunshine.

  • No idea where to travel to this year? We now have a tool which suggests which destination suits your ideal climate conditions. Find out where to go with our weather planner.