Exmouth weather in March
Australia

March in Exmouth: sweltering, dry, with clean air — fine if you can take 36°C afternoons.
#9 of 12 months in Exmouth · #103 of 1383 destinations to visit in March · comfort 91/100 (tier S)
Updated September 2026 · climate normals from ERA5 reanalysis
Traveller notes on Exmouth in March
Other months in Exmouth
Exmouth's forum calls October shoulder season for the whale sharks the Ningaloo Reef is known for — the main season runs roughly March through August, with off-peak snorkel tours stretching into mid-October, so it's worth confirming with a tour operator before booking. Regulars describe the weather itself as reliably warm with cool nights, though it can be genuinely windy.
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Exmouth climate normals — March
| Daytime high | 33°C / 91°F | 🔥 sweltering |
|---|---|---|
| Nighttime low | 26°C / 79°F | |
| Feels like (high) | 36°C / 97°F | |
| Sea temperature | 29°C / 83°F | ♨️ bath-warm |
| Rainfall | 19 mm / 0.8 in | ☀️ dry |
| Rainy days | 1 days | |
| Humidity | 65% | 💧 humid |
| Dew point | 21°C / 70°F | |
| Sunshine | 10.9 h/day | |
| Daylight | 12.2 h | |
| Wind | 24 km/h / 15 mph | |
| Air quality (US AQI) | 43 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Exmouth in March
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.
Shoulder seasonan ordinary month(estimated)
Peak crowdsBusyShoulder seasonQuiet
Best months for Exmouth'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 weatherExmouth's weather doesn't swing hard through the year — comfort stays fairly steady in every month.
What's on in Exmouth in March
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Nature
Ningaloo coral spawning
5–31 Mar · usuallyDive seasonThe reef releases on the nights after the March full moon. The slick that follows is the reason the whale sharks turn up, and it takes the visibility out for a week.
- Nature
Whale shark season
10 Mar – 10 Aug · usuallyDive seasonBook earlyWhale sharks feed along the outside of the reef from March into August, spotter plane overhead and a licensed boat below. Peak numbers are April to July and the boats go out most days.
- Hazard
Cyclone season
1 Nov – 30 AprThe North West Cape is among the most cyclone-exposed coasts in the country. The town is built for it and the season is quiet outside the odd week, but a warning empties the caravan parks. Source ↗
Where is Exmouth?
Exmouth in March — FAQ
- Is March a good time to visit Exmouth?
- March in Exmouth: sweltering, dry, with clean air — fine if you can take 36°C afternoons. It ranks #9 of 12 months for Exmouth on SeasonMap's comfort score (91/100).
- What is the weather like in Exmouth in March?
- In March, Exmouth averages a daily high of 32.7°C and a low of 26.3°C, with about 19.4 mm of rain over roughly 1.3 rainy days.
- What is the air quality in Exmouth in March?
- Exmouth has a mean US Air Quality Index of about 43 in March.