October weather forecast
Sydney, Australia

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The landmarks of the city of Sydney, Australia
The landmarks of the city of Sydney, Australia

Weather in October

October brings with it an array of beautiful blooming flowers and a compelling shift in Sydney's weather pattern. The outdoor offerings expand, promoted by the pleasant atmosphere and temperate weather. Sea temperatures, increasing to 19.3°C (66.7°F), encourage visits to Sydney's charming coastline. People commence swimming, surfing, and sunbathing, enthused by the increasingly inviting water conditions. The amalgamation of vibrant flora and balmy weather makes October a gem in Sydney's annual climate.

Temperature

As Sydney steps into October, the average high-temperature holds at a still agreeable 22.1°C (71.8°F), hinting at a minor fluctuation from the prior month. In October, the temperature in Sydney drops to an average of 13.6°C (56.5°F) at night.

Humidity

In Sydney, the average relative humidity in October is 56%.

Rainfall

In Sydney, in October, it is raining for 11.6 days, with typically 77mm (3.03") of accumulated precipitation. Throughout the year, in Sydney, there are 143.4 rainfall days, and 1212mm (47.72") of precipitation is accumulated.

Sea temperature

In Sydney, the average seawater temperature in October is 19.3°C (66.7°F).
Note: Swimming in 19.3°C (66.7°F) is not pleasurable for most people. Breathing control grows increasingly challenging as the water temperature falls under 21°C (69.8°F).

Daylight

In Sydney, Australia, the average length of the day in October is 12h and 56min.
On the first day of the month, sunrise is at 5:31 am and sunset at 5:57 pm AEST. On the last day of October, sunrise is at 5:55 am and sunset at 7:22 pm AEDT.
Note: On Sunday, 06. October 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from AEST to AEDT. Daylight Saving Time lasts until Sunday, 06. April 2025, at 3:00 am; consequently, the time zone reverts from AEDT to AEST.

Sunshine

August through October and December, with an average of 7.9h of sunshine, are months with the most sunshine.

UV index

In Sydney, the average daily maximum UV index in October is 8. A UV Index value of 8 to 10 symbolizes a very high threat to health from exposure to the Sun's UV rays for the average person.
Note: In October, the maximum UV index of 8 suggests these recommendations:
Without adequate protection, skin and eyes might suffer damage. Ensure precautions are in place. Stay in the shade and limit sun exposure from 10 a.m. to 4 p.m., when UV radiation is most potent. Keep in mind that shade structures like parasols or canopies do not offer full protection. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.

Frequently asked questions

What is the average October temperature in Sydney?

An average high-temperature, in October, in Sydney, is 22.1°C (71.8°F) and the average low-temperature is 13.6°C (56.5°F).

What is the average humidity in October in Sydney?

In October, the average relative humidity is 56%.

How many days does it rain in October in Sydney?

In October, in Sydney, the rain falls for 11.6 days. Throughout October, 77mm (3.03") of precipitation is accumulated.

How cold is the water in October in Sydney?

In October, the average sea temperature in Sydney is 19.3°C (66.7°F). Swimming in 19.3°C (66.7°F) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 21°C (69.8°F).

How many hours of daylight does Sydney have in October?

In October, the average day length in Sydney is 12h and 56min.

When is the sunrise / sunset in October in Sydney?

In October, on the first day of the month, sunrise is at 5:31 am and sunset at 5:57 pm AEST. On the last day of the month, sunrise is at 5:55 am and sunset at 7:22 pm AEDT.

When does Daylight Saving Time (DST) start in October in Sydney?

On Sunday, 06. October 2024, at 2:00 am, Daylight Saving Time starts in Sydney, and the time zone changes from AEST to AEDT. DST ends on Sunday, 06. April 2025, at 3:00 am.

What is the month with the most sunshine in Sydney?

The months with the most sunshine in Sydney are August through October and December, with an average of 7.9h of sunshine.

How many hours of sunshine does Sydney have in October?

The average sunshine duration in October in Sydney, Australia, is 7.9h.

What is the UV index intensity in October in Sydney?

In Sydney, Australia, the average daily maximum UV index in October is 8. A UV Index estimate of 8 to 10 represents a very high hazard to health from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average UV index

Average temperature in October
Sydney, Australia

Average temperature in October - Sydney, Australia
  • Average high temperature in October: 22.1°C

The warmest month (with the highest average high temperature) is January (25.9°C).
The month with the lowest average high temperature is July (16.3°C).

  • Average low temperature in October: 13.6°C

The month with the highest average low temperature is February (18.8°C).
The coldest month (with the lowest average low temperature) is July (8.1°C).

Average humidity in October
Sydney, Australia

Average humidity in October - Sydney, Australia
  • Average humidity in October: 56%

The month with the highest relative humidity is February (64%).
The month with the lowest relative humidity is August (49%).

Average rainfall in October
Sydney, Australia

Average rainfall in October - Sydney, Australia
  • Average rainfall in October: 76.7mm

The wettest month (with the highest rainfall) is June (131.9mm).
The driest month (with the least rainfall) is September (68.3mm).

Average rainfall days in October
Sydney, Australia

Average rainfall days in October - Sydney, Australia
  • Average rainfall days in October: 11.6 days

The month with the highest number of rainy days is March (13.6 days).
The month with the least rainy days is August (10.4 days).

Average sea temperature in October
Sydney, Australia

Average sea temperature in October - Sydney, Australia
  • Average sea temperature in October: 19.3°C

The best month for swimming (with the highest average sea temperature) is February (23.7°C).
The coldest month (with the lowest average sea temperature) is September (18.6°C).

Average daylight in October /
Average sunshine in October
Sydney, Australia

Average daylight in October / Average sunshine in October - Sydney, Australia
  • Average daylight in October: 12h and 5min

The month with the longest days is December (Average daylight: 14h and 24min).
The month with the shortest days is June (Average daylight: 9h and 54min).

  • Average sunshine in October: 7h and 5min

The months with the most sunshine are August, September, October and December (Average sunshine: 7h and 54min).
The month with the least sunshine is June (Average sunshine: 5h and 54min).

Average UV index in October
Sydney, Australia

Average UV index in October - Sydney, Australia
  • Average UV index in October: 8

The months with the highest UV index are January and December (UV index 12).
The month with the lowest UV index is June (UV index 2).

Sydney, Australia

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