August · Australia
Best time to visit Adelaide in August Weather, crowds & prices
Weather in Adelaide in August
Average temperature 12°C, 91 mm of rain, about 27 days with 6+ hours of sunshine and 76% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
August score
7.5/10
Ranked #10 of 12 months
- Avg temp
- 12°C
- Rainfall
- 91 mm
- Humidity
- 76%
- Days with 6h+ sun
- 27
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$ · Moderate Cost ($$)
August in Adelaide scores 7.5/10 for sightseeing and cultural travel - ranked #10 of 12. Expect around 12°C, 91 mm of rain, and roughly 27 days with 6+ hours of sunshine this month.
Adelaide pairs a gridded parkland centre with wine regions and Gulf St Vincent beaches within an hour.
August in Adelaide: strong conditions, 10th of 12
Temperatures hover around 12°C (54°F) — the kind of month where neither heat nor cold forces the schedule.
Budget for roughly 91 mm of rain this month — a flexible day or two helps — with about 27 days with 6+ hours of sunshine and 10.9 hours of daylight to work around it.
That is 7.5/10 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 packable rain layer.
Expect mid-season pricing, and crowds are moderate.
If your dates are flexible, February is materially better in Adelaide — 2.5 points higher on the same scale.
Frequently asked
- What is the weather like in Adelaide in August?
- In August, Adelaide averages 12°C, 91 mm of rain, and about 27 days with 6+ hours of sunshine. Its climate-comfort score is 7.5/10.
- Is August a good time to visit Adelaide?
- August earns a 7.5/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Adelaide in August?
- Expect about 91 mm of rain in August. Average humidity is 76% and there are about 27 days with 6+ hours of sunshine.
Curated in Adelaide
Tickets & experiences
Things to do in Adelaide
Adelaide, Australia. Live activities and tours from GetYourGuide, matched to this destination.