Perth weather averages

Going to Perth? Find the best month to visit Perth based on the weather.

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Check Perth weather averages before you book your next holiday in 2018/2019. Today's maximum temperature in Perth is expected to be 25°C, while the average maximum temperature in December is 28°C.

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More about Perth

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The weather for Perth, Western Australia shows long term weather averages processed from data supplied by CRU (University of East Anglia) & today's weather forecast provided by MeteoBlue. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

Perth weather averages: best month

Perth Best month Averages
Warmest January & February 31°C
Sunniest January & December 11 hours per day
Least rain January 3 days
Warmest sea January, February & March 22°C

Perth climate guide

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Tropical storm risk: Perth, Australia cyclone season

% of month affected by tropical storms
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The Perth, Australia tropical storm risk chart above shows the cyclone season. The chart was processed from data supplied by the US Meteorological Agency (NOAA). Find out more about our data sources.

More about tropical storms

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Perth weather averages by month

Check Perth holiday weather averages for a particular month by selecting from the list below. Monthly weather guides include figures for temperature, rainfall, sunshine hours and sea temperature plus daily sunrise & sunset times.

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Compare Perth weather with the USA

Below the Perth weather chart shows maximum daytime temperature for Perth, Western Australia, Australia and the USA (Washington). For more weather parameters or to change the destinations shown visit the comparison weather tool.

Maximum daytime temperature (°C)

Perth, Western Australia, Australia
USA (Washington)
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Metric (°C / mm)  |  Imperial (°F / inches)

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