Perth in August
August is right in the heart of winter for Perth, and the weather has a definite personality this time of year.
The average daily maximum is 18.2 degrees with overnight lows of 12.2 degrees. Manageable with a decent layer, and you'll warm up by midday.
August is 6.5 degrees cooler than Perth's yearly average.
The rain data says 168mm over 20 days. That's serious rainfall.
Solar exposure averages 12.9 MJ/m2 per day in August, with UV levels in the high range. 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
- A jumper or light cardigan for flexibility
- 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 |