August weather forecastCottesloe, Australia
August
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.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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%).
The 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 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 42min
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).
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
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).
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).
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).





