An alternative way to discover Sydney
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Cottesloe Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Cottesloe.
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Climate overview of Cottesloe
Cottesloe, Western Australia, Australia, experiences significant temperature variation throughout the year. Summers bring daytime highs of 30°C (86°F) in February, while winters cool to 19°C (66°F) in July.
The city receives around 598 mm (24 in) of rainfall per year. It experiences a distinct dry season from October to April, with very warm summers and pleasant winters. July is the wettest month and December the driest. The most sunshine falls in January, with an average of 11.8 hours of daily sunshine.
Cottesloe Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Cottesloe - and find the best time to visit.
Monthly Temperature in Cottesloe
Depending on the time of the year, temperatures range from very warm to pleasant in Cottesloe. On average, daytime temperatures range from a very warm 30°C (86°F) in February to a pleasant 19°C (66°F) in July.
Nighttime temperatures range from 20°C (68°F) in February to 11°C (52°F) in July.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Cottesloe
Generally, Cottesloe has a moderate amount of precipitation, averaging 598 mm (24 in) of rainfall annually. The seasons in Cottesloe bring significant changes in precipitation. The wettest month, July, receives high rainfall, with an average of 109 mm (4.3 in) of precipitation. This rainfall is distributed across 15 rainy days.
In contrast, the driest month, December, experiences much less rainfall, totaling 11 mm (0.4 in) over 4 rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Cottesloe Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Cottesloe
In Cottesloe, summer days are longer and more sunny, with daily sunshine hours peaking at 11.8 hours in January. As the darker season arrives, the brightness of the sun becomes less. June sees a soft sun for only 5.9 hours per average day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Data from: Perth, Australia (18 KM, 11 Miles).
Daily hours of sunshine
Data from: Perth, Australia (18 KM, 11 Miles).
Water Temperature in Cottesloe
The mean water temperature over the year ranges from 17°C (63°F) in August to 21°C (70°F) in March.
Water temperature over the year
Data from: Perth, Australia (18 KM, 11 Miles).
Humidity in Cottesloe by Month
The relative humidity is moderate throughout the year in Cottesloe.
The city experiences its highest humidity in July, reaching 57%. In February, the humidity drops to its lowest level at 38%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Data from: Perth, Australia (18 KM, 11 Miles).
Wind Speed in Cottesloe
The average wind speed over the year ranges from 5 m/s (10 knots) to 7 m/s (14 knots). It is lower in May, June and July and higher in January, February, October, November and December. What does this mean?
The mean monthly wind speed over the year (meters per second)
Data from: Perth, Australia (18 KM, 11 Miles).
Best Time to Visit Cottesloe
For comfortable weather, consider visiting Cottesloe in March, April, May, September, October, November and December. Conditions are usually least favourable in July.
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
Jan
very good
Feb
very good
Mar
excellent
Apr
excellent
May
excellent
Jun
very good
Jul
good
Aug
very good
Sep
excellent
Oct
excellent
Nov
excellent
Dec
excellent
- Best overall: March, April, May, September, October, November and December
- Warmest weather: January and February
- Most sunshine: January and December
- Fewest rainy days: January, November and December
- Best for swimming: January, February, March, April and May.
- Wettest months: May, June, July, August and September, when rainfall is highest.
- Seasonal pattern: A distinct dry season from October to April, with very warm summers and pleasant winters
Frequently asked questions about the climate in Cottesloe
What is the best time to visit Cottesloe?
March, April, May, September, October, November and December typically offer the most optimal weather in Cottesloe. In contrast, July tends to have less optimal conditions. Cottesloe has a distinct dry season from October to April, with very warm summers and pleasant winters.
What temperatures can I expect in Cottesloe?
Daytime highs range from 19°C (66°F) in July to 30°C (86°F) in February. Nighttime lows range from 11°C (52°F) to 20°C (68°F). Temperatures vary considerably through the year.
How much rain does Cottesloe get?
Annual rainfall is around 598 mm (24 in). July is the wettest month with 109 mm (4.3 in), while December is the driest with 11 mm (0.4 in).
How sunny is Cottesloe?
Cottesloe receives around 3,224 hours of sunshine per year. January is the sunniest month with 355 hours, while June is the cloudiest with just 178 hours. Overall, Cottesloe enjoys abundant sunshine.
Cottesloe 3-Day Forecast
Cottesloe on the map
Cottesloe is highlighted - select any city to see its climate.
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