August weather forecast
Cottesloe, Australia

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Weather in August

The last month of the winter, August, is another comfortable month in Cottesloe, Australia, with an average temperature ranging between min 12.2°C (54°F) and max 17.5°C (63.5°F).

Temperature

As August takes its course, Cottesloe's average high-temperature registers at a still refreshing 17.5°C (63.5°F), closely aligning with the preceding month. Throughout the month of August, Cottesloe reports a steady low-temperature average of 12.2°C (54°F).

Humidity

With an average relative humidity of 72%, August is the most humid month.

Rainfall

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

Sea temperature

In Cottesloe, in August, the average water temperature is 19.3°C (66.7°F).
Note: Swimming is not a pleasant activity for most when the water temperature is 19.3°C (66.7°F). As the water temperature drops from 21°C (69.8°F) to 15°C (59°F), breathing becomes more difficult to control.

Daylight

In August, the average length of the day in Cottesloe is 10h and 59min.
On the first day of August in Cottesloe, sunrise is at 7:05 am and sunset at 5:41 pm. On the last day of the month, sunrise is at 6:34 am and sunset at 5:59 pm AWST.

Sunshine

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

UV index

The months with the lowest UV index are June through August, with an average maximum UV index of 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for average individuals.
Note: A typical high UV index of 4 in August suggests the following recommendations:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
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Frequently asked questions

What are August temperatures in Cottesloe?

The high-temperature, in August, in Cottesloe, is 17.5°C (63.5°F), while the low-temperature averages to 12.2°C (54°F). In February, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which factors the actual air temperature with the relative humidity, is calculated to be 29°C (84.2°F).

What is the most humid month in Cottesloe?

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

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

What is the sea water temperature in August in Cottesloe?

In Cottesloe, the average seawater temperature in August 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 August in Cottesloe?

In August, the average day length is 10h and 59min.

When is the sunrise / sunset in August in Cottesloe?

On the first day of August in Cottesloe, sunrise is at 7:05 am and sunset at 5:41 pm. On the last day of the month, sunrise is at 6:34 am and sunset at 5:59 pm AWST.

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 in Cottesloe.

How long on average sun shines in August in Cottesloe?

The average sunshine duration in August in Cottesloe, Australia, is 5.7h.

What is the month with the lowest UV index in Cottesloe?

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

What is the UV index intensity in August in Cottesloe?

The average daily maximum UV index in August is 4. A UV Index value of 3 to 5 symbolizes a medium hazard to health from exposure to Sun's UV rays.

Average temperature in August
Cottesloe, Australia

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).

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Average pressure in August
Cottesloe, Australia

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).

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Average wind speed in August
Cottesloe, Australia

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).

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Average humidity in August
Cottesloe, Australia

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

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

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Average rainfall in August
Cottesloe, Australia

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).

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Average rainfall days in August
Cottesloe, Australia

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).

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Average sea temperature in August
Cottesloe, Australia

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).

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Average daylight in August /
Average sunshine in August
Cottesloe, Australia

Average daylight in August / Average sunshine in August - Cottesloe, Australia
  • Average daylight in August: 11h and 0min

The month with the longest days is December (Average daylight: 14h and 12min).
The month with the shortest days is June (Average daylight: 10h and 6min).

  • Average sunshine in August: 5h and 4min

The months with the most sunshine are January and December (Average sunshine: 11h and 36min).
The month with the least sunshine is August (Average sunshine: 5h and 42min).

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Average sunshine days in August
Cottesloe, Australia

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).

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Average UV index in August
Cottesloe, Australia

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

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

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Average cloud cover in August
Cottesloe, Australia

Average cloud cover in August - Cottesloe, Australia
  • Average cloud cover in August: 37

The month with the most cloud cover is July (Cloud cover 39).
The month with the least cloud cover is January (Cloud cover 13).

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Average visibility in August
Cottesloe, Australia

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

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

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Cottesloe, Australia

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