Perth Weather

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Perth has a Mediterranean climate and is located in one of only five Mediterranean climate zones in the world. This means that for most of the year, the weather is fine and sunny, and even during the short mild winter the sun is often shining. It is because of these endless summers that many Perth activities revolve around the outdoors. So if you enjoy sight-seeing, outdoor activities, warm sunny days, or lazing on clean sandy beaches, Perth is the perfect destination for your next holiday.

NOTE: Perth weather is recorded and forecast in degrees Celsius.

 

Springtime in Perth

Spring begins in September in Perth, and from this time on, the weather quickly warms to fine sunny conditions for the many months ahead. For the most part spring is sunny and warm, especially from October and November, the weather is generally pleasant and rain is usually minimal or absent.

Average Spring Temperatures
September: Daytime 18-21C Overnight Minimum 9-12C
October: Daytime 21-24C Overnight Minimum 9-12C
November: Daytime 24-27C Overnight Minimum 12-15C

 

Summer in Perth

The official start of summer in Perth is December, finishing three months later at the end of February. The weather is warm to hot over the summer months, although the hottest months are usually January and February. The weather is fine and dry, and rain at this time of year is very unusual. Perth also enjoys a refreshing afternoon sea breeze known as the Fremantle Doctor, which brings welcome relief on hot days.

Average Summer Temperatures
December: Daytime 27-30C Overnight Minimum 15-18C
January: Daytime 30-33C Overnight Minimum 18-21C
February: Daytime 30-33C Overnight Minimum 18-21C

 

Autumn in Perth

Autumn begins in March and finishes at the end of May, although autumn in Perth is not typical of autumn’s most people would be familiar with. Autumn in Perth is like an extension of summer, or perhaps a second spring. With warm sunny days and cooler nights, there is still plenty of sunshine left before the onset of winter. Although the weather is still mostly fine, there may be an occasional shower or humidity.

Average Autumn Temperatures
March: Daytime 27-30C Overnight Minimum 15-18C
April: Daytime 24-27C Overnight Minimum 12-15C
May: Daytime 21-24C Overnight Minimum 9-12C

 

Winter in Perth

The mild Perth winter begins at the start of June and finishes at the end of August. It is generally a rainy season, mingled with cool sunny days. There are however occasional storms, characterised by downpours of rain, lightning or thunder.

Average Winter Temperatures
June: Daytime 18-21C Overnight Minimum 9-12C
July: Daytime 15-18C Overnight Minimum 6-9C
August: Daytime 18-21C Overnight Minimum 9-12C