Perth in August
So, what's Perth actually like in August? In a word: fresh. It's winter, and the days are averaging 18.2 degrees.
Daytime highs average 18.2 degrees, dropping to 12.2 degrees overnight. That's a 6-degree swing between day and night. Manageable with a decent layer, and you'll warm up by midday.
At 18.2 degrees, August sits 6.5 degrees below the annual average of 24.7 degrees.
The rain data says 168mm over 20 days. When it rains here, it means it.
Sunshine-wise, August delivers around 12.9 MJ/m2 of daily solar radiation. UV sits in the high category. Sun protection is still a good idea, especially around midday.
At 4.1/10 on the Comfort Score, August is middle of the road.
For your suitcase: layers you can peel on and off, waterproof gear, and SPF 50+ sunscreen and a hat.
The full data breakdown is below. You can also see how other Australian cities compare in August.
August at a Glance
Temperature Range
Daily temperature range in August. The bar shows the typical spread between overnight lows and afternoon highs.
What to Pack
- Layered clothing for mild to cool conditions
- A waterproof jacket or compact umbrella
Coming From Overseas?
How August in Perth stacks up against major cities around the world.
About 6 degrees cooler and considerably wetter.
About 12 degrees cooler and considerably wetter.
About 13 degrees cooler and considerably wetter.
How August Compares
Perth's monthly climate at a glance. August is highlighted.
| Month | Max | Min | Rain | Comfort |
|---|---|---|---|---|
| Jan | 30.2 | 19.1 | 1mm | 7.2 |
| Feb | 33.2 | 20.5 | 18mm | 4.8 |
| Mar | 29.3 | 17.4 | 4mm | 7.6 |
| Apr | 27.5 | 15.9 | 20mm | 8.2 |
| May | 24.4 | 14.6 | 94mm | 9.0 |
| Jun | 18.7 | 11.2 | 113mm | 4.9 |
| Jul | 18.0 | 10.9 | 154mm | 4.0 |
| Aug | 18.2 | 12.2 | 168mm | 4.1 |
| Sep | 20.6 | 11.1 | 27mm | 8.3 |
| Oct | 22.4 | 13.1 | 43mm | 9.7 |
| Nov | 24.9 | 14.9 | 25mm | 10.0 |
| Dec | 29.5 | 18.9 | 6mm | 7.5 |