SeasonMapExmouth weather in May
Australia
May in Exmouth: warm, a little rain, with clean air — an excellent time to visit.
#5 of 12 months in Exmouth · #57 of 1383 destinations to visit in May · comfort 93/100 (tier S)
Updated September 2026 · climate normals from ERA5 reanalysis
Traveller notes on Exmouth in May
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.
Add your own note from Exmouth's card on the map.
Exmouth climate normals — May
| Daytime high | 28°C / 82°F | 🌤 warm |
|---|---|---|
| Nighttime low | 21°C / 70°F | |
| Feels like (high) | 27°C / 81°F | |
| Sea temperature | 24°C / 76°F | 🙂 pleasant |
| Rainfall | 36 mm / 1.4 in | 🌦 some rain |
| Rainy days | 2 days | |
| Humidity | 58% | 🍃 comfortable |
| Dew point | 15°C / 59°F | |
| Sunshine | 9.8 h/day | |
| Daylight | 11.1 h | |
| Wind | 21 km/h / 13 mph | |
| Air quality (US AQI) | 24 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Exmouth 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.
BusyPeak season on the Cape(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 May
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- 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.
- Season
Peak season on the Cape
1 Apr – 31 OctDry seasonCrowdedBook earlyApril to October is the town's season: the reef boats run daily, the caravan parks fill with people escaping the southern winter, and beds go months ahead of time.
Where is Exmouth?
Exmouth in May — FAQ
- Is May a good time to visit Exmouth?
- May in Exmouth: warm, a little rain, with clean air — an excellent time to visit. It ranks #5 of 12 months for Exmouth on SeasonMap's comfort score (93/100).
- What is the weather like in Exmouth in May?
- In May, Exmouth averages a daily high of 27.5°C and a low of 21.2°C, with about 35.9 mm of rain over roughly 1.7 rainy days.
- What is the air quality in Exmouth in May?
- Exmouth has a mean US Air Quality Index of about 24 in May.