October weather forecast
Sydney, Australia

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.