October weather forecast and climate
Sydney, Australia

The landmarks of the city of Sydney, Australia
The landmarks of the city of Sydney, Australia
October, the same as September, in Sydney, Australia, is an agreeable spring month, with average temperature fluctuating between 22.1°C (71.8°F) and 13.6°C (56.5°F).

Temperature

In October, the average high-temperature is essentially the same as in September - a still agreeable 22.1°C (71.8°F). In Sydney, Australia, the average low-temperature is 13.6°C (56.5°F).

Humidity

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

Rainfall

In October, in Sydney, the rain falls for 11.6 days. Throughout October, 76.7mm (3.02") of precipitation is accumulated. In Sydney, during the entire year, the rain falls for 143.4 days and collects up to 1212.1mm (47.72") of precipitation.

Sea temperature

In Sydney, the average water temperature is 19.3°C (66.7°F).
Note: For most, swimming in 19.3°C (66.7°F) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 21°C (69.8°F) to 15°C (59°F).

Daylight

In October, the average length of the day is 12.9h.

Sunshine

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

UV index

The average daily maximum UV index in October is 8. A UV Index estimate of 8 to 10 represents a very high threat to health from the exposure to the Sun's UV radiation for the average person.
Note: The daily maximum UV index of 8 interpret into the following advice:
Take extra precautions. Protection against sun damage is required. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.

What is the temperature in October in Sydney?

In October, in Sydney, Australia, the average high-temperature 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 Sydney, the average relative humidity in October is 56%.

How much does it rain in Sydney in October?

In October, the rain falls for 11.6 days. Throughout October, 76.7mm (3.02") of precipitation is accumulated.

What is the sea temperature in October in Sydney?

In October, the average sea temperature in Sydney, Australia, 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).

What is the average length of the day in October in Sydney?

The average length of the day in October in Sydney, Australia, is 12.9h.

What is the month with the most sunshine in Sydney?

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

How long on average sun shines in October in Sydney?

The average sunshine in October in Sydney is 7.9h.

How high is the UV index in October in Sydney?

In Sydney, Australia, the average daily maximum UV index in October is 8. A UV Index value of 8 to 10 symbolizes a very high hazard to health from unsafe exposure to the Sun's UV rays.
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: 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: 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: 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: 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: 12.9h

The month with the longest days is December (Average daylight: 14.4h).
The month with the shortest days is June (Average daylight: 9.9h).

  • Average sunshine in October: 7.9h

Months with the most sunshine are August, September, October and December (Average sunshine: 7.9h).
The month with the least sunshine is June (Average sunshine: 5.9h).

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

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).