Climate in Perth (Western Australia), Australia

The graphs below show the monthly weather averages over the year.
* Data from weather station: Perth, Australia.

Average day and night temperature

The mean minimum and maximum temperatures over the year. Show in Fahrenheit

Monthly hours of sunshine

The average monthly total hours of sunshine over the year

Average water temperature

The mean water temperature over the year. Show in Fahrenheit

Monthly precipitation

The mean monthly precipitation over the year, including rain, snow, hail etc. Show in Inches

Monthly rainy days

The average number of days each month with rain, snow, hail etc.

Average humidity

The mean monthly relative humidity over the year

Average wind speed

The mean monthly wind speed over the year (in meters per second)

Weather Forecasts for Perth (Western Australia)

TUE May 11
26°C | 16°C

Partly cloudy

WED May 12
22°C | 15°C


THU May 13
19°C | 13°C

Partly cloudy

The best time of year to visit Perth in Australia

Perth is on the west coast of Australia which means you can see the sun go down in the ocean. The best travel time for Perth in Australia is from January to December, where you have a pleasant and warm temperature and barely any rainfall. Perth has a Mediterranean climate due to its location on the coast and there is constant sea breeze. Winters in Perth are soft. Rain and thunderstorms occur mostly in winter.

Here are some average weather facts we collected from our historical climate data:

  • During the month of April, May, September, October and November you are most likely to experience good weather with pleasant average temperatures that fall between 20 degrees Celsius (68°F) and 25 degrees Celsius (77°F).
  • The hottest season / summer is in January, February, March and December.
  • The months of May, June, July, August and September have a high chance of precipitation.
  • Perth has dry periods in January, February, March and December.
  • The warmest month is January with an average maximum temperature of 31°C (87°F).
  • The coldest month is July with an average maximum temperature of 17°C (62°F).
  • June is the most wet month. This month should be avoided if you are not a big fan of rain.
  • December is the driest month.
  • December is the most sunny month.
No idea where to travel to this year? We now have a tool which suggests which destination suits your ideal climate conditions. Find out where to go with our weather planner.