August weather forecast and climate
Cottesloe, Australia

August, the last month of the winter, in Cottesloe, is also an enjoyable month, with average temperature fluctuating between 17.5°C (63.5°F) and 12.2°C (54°F).

Temperature

In Cottesloe, the average high-temperature in August is essentially the same as in July - a still enjoyable 17.5°C (63.5°F). The average low-temperature, in August, is 12.2°C (54°F).

Humidity

The most humid month in Cottesloe is August, with an average relative humidity of 72%.

Rainfall

In Cottesloe, in August, it is raining for 15.3 days, with typically 66mm (2.6") of accumulated precipitation. Throughout the year, there are 114 rainfall days, and 404mm (15.91") of precipitation is accumulated.

Sea temperature

In Cottesloe, the average water temperature is 19.3°C (66.7°F).
Note: 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).

Daylight

The average length of the day in Cottesloe is 11h.

Sunshine

The month with the least sunshine in Cottesloe, Australia, is August, with an average of 5.7h of sunshine.

UV index

June through August, with an average maximum UV index of 4, are months with the lowest UV index. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to the Sun's UV rays for average individuals.
Note: The daily maximum UV index of 4 interpret into the following advice:
Take precautions - Protection against sun damage is advised. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. 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 August in Cottesloe?

In Cottesloe, Australia, in August, the average high-temperature is 17.5°C (63.5°F), and the average low-temperature is 12.2°C (54°F).

What is the most humid month in Cottesloe?

The most humid month in Cottesloe is August, with an average relative humidity of 72%.

What is the average humidity in August in Cottesloe?

The average relative humidity in August in Cottesloe, Australia, is 72%.

How much does it rain in Cottesloe in August?

In Cottesloe, during August, the rain falls for 15.3 days and regularly aggregates up to 66mm (2.6") of precipitation.

How cold is the water in August in Cottesloe?

In August, the average sea temperature 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 Cottesloe have in August?

In Cottesloe, the average length of the day in August is 11h.

What is the month with the least sunshine in Cottesloe?

With an average of 5.7h of sunshine, August has the least sunshine of the year.

How many hours of sunshine does Cottesloe have in August?

In August, the average sunshine is 5.7h.

What are the months with the lowest UV index in Cottesloe?

Months with the lowest UV index in Cottesloe, Australia, are June through August, with an average maximum UV index of 4.

What is the UV index reading in August in Cottesloe?

The average daily maximum UV index in August is 4. A UV Index estimate of 3 to 5 represents a medium hazard to health from the exposure to the Sun's UV rays.
Average temperature in August - Cottesloe, Australia
  • Average high temperature in August: 17.5°C

The warmest month (with the highest average high temperature) is February (27.7°C).
The month with the lowest average high temperature is July (17.2°C).

  • Average low temperature in August: 12.2°C

The month with the highest average low temperature is February (19.8°C).
The coldest months (with the lowest average low temperature) are July and August (12.2°C).

Average pressure in August - Cottesloe, Australia
  • Average pressure in August: 1019.3mbar

The month with the highest atmospheric pressure is July (1020.5mbar).
The month with the lowest atmospheric pressure is January (1011.5mbar).

Average wind speed in August - Cottesloe, Australia
  • Average wind speed in August: 17.5km/h

The windiest month (with the highest average wind speed) is January (19.7km/h).
The calmest month (with the lowest average wind speed) is April (16.2km/h).

Average humidity in August - Cottesloe, Australia
  • Average humidity in August: 72%

The month with the highest relative humidity is August (72%).
Months with the lowest relative humidity are January, February and December (59%).

Average rainfall in August - Cottesloe, Australia
  • Average rainfall in August: 66mm

The wettest month (with the highest rainfall) is June (75mm).
The driest month (with the least rainfall) is March (11mm).

Average rainfall days in August - Cottesloe, Australia
  • Average rainfall days in August: 15.3 days

The month with the highest number of rainy days is July (16.5 days).
The month with the least rainy days is February (4.3 days).

Average sea temperature in August - Cottesloe, Australia
  • Average sea temperature in August: 19.3°C

The best month for swimming (with the highest average sea temperature) is March (23.3°C).
The coldest month (with the lowest average sea temperature) is September (18.7°C).

Average daylight in August / Average sunshine in August - Cottesloe, Australia
  • Average daylight in August: 11h

The month with the longest days is December (Average daylight: 14.2h).
The month with the shortest days is June (Average daylight: 10.1h).

  • Average sunshine in August: 5.7h

Months with the most sunshine are January and December (Average sunshine: 11.6h).
The month with the least sunshine is August (Average sunshine: 5.7h).

Average sunshine days in August - Cottesloe, Australia
  • Average sunshine days in August: 13.2 days

The month with the most sunshine days is December (24.2 days).
The month with the least sunshine days is July (12.8 days).

Average UV index in August - Cottesloe, Australia
  • Average UV index in August: 4

Months with the highest UV index are January, February, March and December (UV index 6).
Months with the lowest UV index are June, July and August (UV index 4).

Average visibility in August - Cottesloe, Australia
  • Average visibility in August: 10km

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).