Perth Weather and Climate: 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.
The Seasons: *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 fine 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 3 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 autumns 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 |
Check the Perth Weather Forecast Here
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