August · Australia
Best time to visit Perth in August Weather, crowds & prices
Weather in Perth in August
Average temperature 14°C, 130 mm of rain, about 28 days with 6+ hours of sunshine and 76% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
August score
7.1/10
Ranked #10 of 12 months
- Avg temp
- 14°C
- Rainfall
- 130 mm
- Humidity
- 76%
- Days with 6h+ sun
- 28
- Crowd Density
- Moderate Crowds
- Average Expenses
- $ · Budget Friendly ($)
August in Perth scores 7.1/10 for sightseeing and cultural travel - ranked #10 of 12. Expect around 14°C, 130 mm of rain, and roughly 28 days with 6+ hours of sunshine this month.
Perth spreads along the Swan River, with Kings Park, Indian Ocean beaches, and Rottnest Island close by.
August holds up well in Perth — 10th best month
Temperatures hover around 14°C (57°F) — the kind of month where neither heat nor cold forces the schedule.
130 mm of rain makes this a wet month here, though with about 28 days with 6+ hours of sunshine there is still bright weather between the fronts.
That is 7.1/10 on the same scale — 10th of 12 months, versus 10/10 for the best month here.
Pack layers you can shed by midday plus one warm layer for the evening, a proper rain shell rather than an umbrella.
Expect low-season pricing, and crowds are moderate.
If your dates are flexible, November is materially better in Perth — 2.9 points higher on the same scale.
Frequently asked
- What is the weather like in Perth in August?
- In August, Perth averages 14°C, 130 mm of rain, and about 28 days with 6+ hours of sunshine. Its climate-comfort score is 7.1/10.
- Is August a good time to visit Perth?
- August earns a 7.1/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Perth in August?
- Expect about 130 mm of rain in August. Average humidity is 76% and there are about 28 days with 6+ hours of sunshine.
Curated in Perth
Tickets & experiences
Things to do in Perth
Perth, Australia. Live activities and tours from GetYourGuide, matched to this destination.