Sydney
Australia
Long-term weather forecast
Long-term weather forecast

October weather forecast and climate
Sydney, Australia

The landmarks of the city of Sydney, Australia viewed from above the vast Parramatta River
The landmarks of the city of Sydney, Australia viewed from above the vast Parramatta River
October, like September, is an agreeable spring month in Sydney, Australia, with temperature in the range of an average low of 13.6°C (56.5°F) and an average high of 22.1°C (71.8°F).

Temperature

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

Humidity

In Sydney, the average relative humidity is 56%.

Rainfall

In Sydney, it is raining for 11.6 days, with typically 76.7mm (3") of accumulated precipitation. Throughout the year, there are 143.4 rainfall days, and 1212.1mm (47.7") of precipitation is accumulated.

Sea temperature

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).

Daylight

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

Sunshine

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

UV index

The average daily maximum UV index in October is 8. A UV Index of 8 to 10 symbolizes a very high health risk from unsafe exposure to the UV radiation for average individuals.
The daily maximum UV index of 8 in October interpret into the following advice:
Take special precautions, as unprotected skin can be damaged and can burn quickly. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.

What is the temperature in October in Sydney?

In Sydney, Australia, in October, 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?

The average relative humidity in October in Sydney, Australia, is 56%.

How many days does it rain in October in Sydney?

In October, in Sydney, Australia, the rain falls for 11.6 days. Throughout October, 76.7mm (3") of precipitation is accumulated.

What is the sea temperature in October in Sydney?

In Sydney, the average seawater temperature in October is 19.3°C (66.7°F). For swimming, a surface water temperature of 19.3°C (66.7°F) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as 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 is 12.9h.

What are the months with the most sunshine in Sydney?

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

How long on average sun shines in October in Sydney?

In October, the average sunshine is 7.9h.

How high is the UV index in October in Sydney?

In October, the average daily maximum UV index is 8. A UV Index value of 8 to 10 symbolizes a very high health threat from the 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 lowest 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 lowest number of 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 shortest days is June (Average daylight: 9.9h).

  • Average sunshine in October: 7.9h

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