Best Time To Visit Perth > Weather, Temperature & Season

What is the best time to visit Perth?

September to May is the best time to visit Perth, and September to November is the pick: warm, dry and the wildflower season in Kings Park.

Perth has a Mediterranean climate, which is the one thing to understand about it. Its wettest month is July and its driest is December, so unlike anywhere else in Australia, summer here is the rain-free season.

December to February is hot and almost rainless, about 25°C mean with highs near 31°C. That is beach weather, not a season to avoid, and the sea breeze known as the Fremantle Doctor cools the afternoons.

June to August is the wet season and the low season, about 13°C and grey. Mild by Indian winter standards, not cold, but this is when the rain falls.

Monthly Weather in Perth

Month	High/Low (°C)	Rain
January	28°/ 17°	0 days
February	30°/ 20°	7 days
March	28°/ 19°	2 days
April	26°/ 17°	2 days
May	22°/ 12°	3 days
June	19°/ 12°	14 days
July	19°/ 11°	6 days
August	20°/ 11°	10 days
September	22°/ 12°	3 days
October	23°/ 13°	3 days
November	27°/ 15°	2 days
December	30°/ 19°	0 days

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More about Best Time to Travel to Perth

Spring and Wildflowers: September to November

September to November is the best window of the year. Days climb from about 21°C to 28°C, the rain has stopped and the nights are still cool.

Western Australia's wildflower season runs August to October, and Kings Park in the city is the easiest place to see it, with a festival through September. This is also when the whale watching starts off Perth and Augusta.

Summer in Perth: December to February

December is the driest month of the year and February the second, so summer here is rain-free. February is the warmest at about 25°C mean, with highs near 31°C and long evenings.

This is the beach season: Cottesloe, Scarborough and the Rottnest crossings are at their best. The Fremantle Doctor, the afternoon sea breeze, takes the edge off most days. The Perth Festival runs from February into March.

Autumn in Perth: March to May

March to May is warm, dry at the front and the best value of the year. March still reaches the high twenties and the water is at its warmest after a summer of heating.

Rain returns properly in May as the winter pattern sets in. Crowds and rates drop from March, and this is the ideal window for the Margaret River drive, three hours south, at harvest.

Winter in Perth: June to August

July is the wettest month of the year and also the coolest, about 13°C mean with days near 18°C. June and August are close behind on both counts.

It is grey and showery rather than cold, and it does not snow. Prices are at their lowest, the wildflowers begin in August, and whale watching starts up the coast. Bring a waterproof, not a heavy coat.

Why Perth Is the Opposite of the Rest of Australia

Perth has a Mediterranean dry-summer climate, the only major Australian city that does. Almost all of its rain falls between May and September, and December takes almost none at all.

The practical consequence: in Perth, summer is the dry season. Brisbane and Cairns get their rain in summer, Sydney gets it in winter but spread thin, and Perth concentrates it into four winter months. If you are combining Perth with the east coast, the two halves of the trip want different months.

Rottnest, Margaret River and the Day Trips

Rottnest Island and the quokkas: October to April. The ferry crossing is calmest and the island driest then, and the beaches are the point of going.

Margaret River: March to May for harvest, or September to November for the wildflowers and the coast. Wave Rock and the wheatbelt: August to October, in wildflower season. Whale watching: September to December off Perth, and from August further south.

Best Time to Visit Perth by Interest

City, Kings Park and Fremantle: September to May
Wildflowers: August to October
Beaches and Rottnest Island: October to April, warmest water February and March
Margaret River wineries: March to May
Whale watching: September to December
Perth Festival: February to March
Driest month: December
Wettest: July
Cheapest: June to August
Most expensive: mid-December to late January