Margaret River weather in May
Australia

May in Margaret River: nice, rainy, with clean air — a good time to visit.
#9 of 12 months in Margaret River · #1059 of 1383 destinations to visit in May · comfort 67/100 (tier C)
Updated September 2026 · climate normals from ERA5 reanalysis
Traveller notes on Margaret River in May
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 — May
| Daytime high | 19°C / 66°F | 😎 nice |
|---|---|---|
| Nighttime low | 9°C / 49°F | |
| Feels like (high) | 17°C / 63°F | |
| Sea temperature | 20°C / 67°F | 🌊 fresh |
| Rainfall | 109 mm / 4.3 in | 🌧 rainy |
| Rainy days | 12 days | |
| Humidity | 70% | 💧 humid |
| Dew point | 11°C / 51°F | |
| Sunshine | 7.8 h/day | |
| Daylight | 10.4 h | |
| Wind | 19 km/h / 12 mph | |
| Air quality (US AQI) | 23 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Margaret River in May
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.
BusyMargaret River Pro(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).
Fair weatherMargaret River's weather peaks December–February.
Best weatherFair weatherToughest weather
What's on in Margaret River in May
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Festival
Margaret River Pro
5 Apr – 10 May · usuallySurf seasonCrowdedA world tour surf event held over a waiting period at Main Break and The Box, so the day it runs is called each morning. Free to watch from Surfers Point, and the town books out for the window. Source ↗
Where is Margaret River?
Margaret River in May — FAQ
- Is May a good time to visit Margaret River?
- May in Margaret River: nice, rainy, with clean air — a good time to visit. It ranks #9 of 12 months for Margaret River on SeasonMap's comfort score (67/100).
- What is the weather like in Margaret River in May?
- In May, Margaret River averages a daily high of 19.1°C and a low of 9.3°C, with about 109 mm of rain over roughly 11.7 rainy days.
- What is the air quality in Margaret River in May?
- Margaret River has a mean US Air Quality Index of about 23 in May.