SeasonMapMargaret River weather in August
Australia
August in Margaret River: cool, soaked, with clean air — a gamble, with 17 rainy days.
#10 of 12 months in Margaret River · #1064 of 1383 destinations to visit in August · comfort 60/100 (tier C)
Updated September 2026 · climate normals from ERA5 reanalysis
Traveller notes on Margaret River in August
Other months in Margaret River
Margaret River's forum calls January warm inland and noticeably cooler toward the coast — regulars say temperatures can nudge 30°C further from the water, but mostly sit in the high 20s. It's also the driest, sunniest month of the year, good news for a day spent moving between wineries.
Add your own note from Margaret River's card on the map.
Margaret River climate normals — August
| Daytime high | 16°C / 61°F | 🙂 cool |
|---|---|---|
| Nighttime low | 8°C / 46°F | |
| Feels like (high) | 14°C / 57°F | |
| Sea temperature | 18°C / 64°F | 🧊 bracing |
| Rainfall | 169 mm / 6.7 in | ⛈ soaked |
| Rainy days | 17 days | |
| Humidity | 73% | 💧 humid |
| Dew point | 9°C / 48°F | |
| Sunshine | 8.1 h/day | |
| Daylight | 10.9 h | |
| Wind | 21 km/h / 13 mph | |
| Air quality (US AQI) | 27 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Margaret River in August
How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.
Quietschool holidays in 2 of the markets that fill it, one of its worst months for weather(estimated)
Peak crowdsBusyShoulder seasonQuiet
Best months for Margaret River's weather
Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).
Toughest weatherMargaret River's weather peaks December–February.
Best weatherFair weatherToughest weather
What's on in Margaret River in August
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Nature
Whale season, coast to coast
1 Jun – 10 Dec · usuallyHumpbacks and southern rights shelter off Augusta in the middle of winter, then work north to Geographe Bay through spring, so the boat leaves from a different town depending on the month.
- Nature
Southwest wildflowers
15 Aug – 15 Nov · usuallyWildflowers & bloomsThe forest floor and the heath along the Cape to Cape flower from late August: orchids, kangaroo paw, banksia. It is a short window and the karri forest tracks are the place to spend it.
Where is Margaret River?
Margaret River in August — FAQ
- Is August a good time to visit Margaret River?
- August in Margaret River: cool, soaked, with clean air — a gamble, with 17 rainy days. It ranks #10 of 12 months for Margaret River on SeasonMap's comfort score (60/100).
- What is the weather like in Margaret River in August?
- In August, Margaret River averages a daily high of 16°C and a low of 7.5°C, with about 169.2 mm of rain over roughly 16.9 rainy days.
- What is the air quality in Margaret River in August?
- Margaret River has a mean US Air Quality Index of about 27 in August.