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.

Average monthly minimum and maximum temperature in Sydney, Australia

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Monthly hours of sunshine

The average monthly total hours of sunshine over the year

Average monthly hours of sunshine in Sydney, Australia

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Daily percent of sunshine

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

Average monthly percentage of sunshine in Sydney, Australia

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Average water temperature

The mean water temperature over the year.

Average monthly water temperature in Sydney, Australia

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Monthly precipitation

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

Average monthly rainfall, snow, precipitation in Sydney, Australia

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Monthly rainy days

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

Average monthly rainy days in Sydney, Australia

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Average humidity

The mean monthly relative humidity over the year

Average monthly relative humidity in Sydney, Australia

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Average wind speed

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

Average monthly wind speed in Sydney, Australia

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Weather Forecasts for Sydney

Tue   Mar 19
27°C | 20°C
NE 29 km/h
almost clear and no rain

almost clear and no rain

Wed   Mar 20
25°C | 18°C
S 40 km/h
3.3 mm
broken clouds and rain

broken clouds and rain

Thu   Mar 21
21°C | 17°C
S 29 km/h
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°C and 27°C. In recent years heat waves and drought have become more common. July is the coldest month with an average of 17.8°C 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, May, September, October, November and December you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.

Other facts from our historical weather data:

  • When is summer in Sydney?
    The hottest season / summer takes place in January, February, March and December.
  • Which is the warmest month in Sydney?
    January has an average maximum temperature of 26°C 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 18°C.
  • Which is the wettest month in Sydney?
    February tops the wettest month list with 110 mm of rainfall.
  • Which is the driest month in Sydney?
    September is the driest month with 53 mm 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 have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.