SeasonMapMargaret River weather in December
Australia
December in Margaret River: warm, dry, with clean air — an excellent time to visit.
#3 of 12 months in Margaret River · #128 of 1383 destinations to visit in December · comfort 89/100 (tier A)
Updated September 2026 · climate normals from ERA5 reanalysis
Traveller notes on Margaret River in December
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 — December
| Daytime high | 24°C / 76°F | 🌤 warm |
|---|---|---|
| Nighttime low | 12°C / 53°F | |
| Feels like (high) | 25°C / 77°F | |
| Sea temperature | 20°C / 68°F | 🌊 fresh |
| Rainfall | 16 mm / 0.6 in | ☀️ dry |
| Rainy days | 3 days | |
| Humidity | 63% | 💧 humid |
| Dew point | 12°C / 53°F | |
| Sunshine | 12.6 h/day | |
| Daylight | 14.4 h | |
| Wind | 21 km/h / 13 mph | |
| Air quality (US AQI) | 22 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Margaret River in December
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.
Peak crowdsWestern Australian summer holidays, Summer holidays in Australia, school holidays in 3 of the markets that fill it(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).
Best weatherMargaret River's weather peaks December–February.
December includes Whale season, coast to coast.
Best weatherFair weatherToughest weather
What's on in Margaret River in December
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.
- Hazard
Bushfire and burn-off season
15 Nov – 15 Apr · usuallySmoke seasonSummer brings total fire bans and closed forest tracks, and the autumn prescribed burns put smoke through the valleys on still days. Check before you plan a walk in the karri. Source ↗
- Holiday
Western Australian summer holidays
17 Dec – 31 Jan · usuallySchool holidaysCrowdedBook earlyPerth empties into this coast for six weeks and the beach houses go at holiday rates months ahead. The surf breaks are busiest and the cellar doors are at their least peaceful. Source ↗
Nearby, and something's on
Within 300 km of Margaret River — a day trip or a short hop — with something on this month. Never part of the comfort score.
Where is Margaret River?
Margaret River in December — FAQ
- Is December a good time to visit Margaret River?
- December in Margaret River: warm, dry, with clean air — an excellent time to visit. It ranks #3 of 12 months for Margaret River on SeasonMap's comfort score (89/100).
- What is the weather like in Margaret River in December?
- In December, Margaret River averages a daily high of 24.2°C and a low of 11.9°C, with about 15.5 mm of rain over roughly 2.8 rainy days.
- What is the air quality in Margaret River in December?
- Margaret River has a mean US Air Quality Index of about 22 in December.
Other months in Margaret River
Compare Margaret River in December
Warmer or cooler than Margaret River in December
Similar destinations in Oceania — December
Within 300 km: Perth's Humpbacks off the coast around 1 Sep – 5 Dec.