When planning a visit to Western Australia in Australia, it helps to know that temperatures typically range from 18°C (64°F) in July up to 32°C (90°F) during the peak of January. Our detailed climate overview is based on data from Perth, the region's most well-known city. For more detailed climate information about other cities in the area, please see the section beneath the map further down the page.
The weather in Western Australia during April, May, June, September, October and November is comfortably warm, with average temperatures ranging from 19°C (66°F) to 27°C (81°F).
January and February are generally the hottest months of the year.
When it comes to rainfall, Western Australia sees significant variations throughout the year. July tends to be the wettest, receiving 99 mm (3.9 in) of rain, while December is much drier with just 12 mm (0.5 in). For those seeking drier weather, January, February and December typically see minimal rainfall, never exceeding 19 mm (0.7 in).
January is the sunniest period, with ideal conditions for exploring the region and all it has to offer.