SeasonMapExmouth weather in December
Australia
December in Exmouth: sweltering, dry, with clean air — an excellent time to visit.
#6 of 12 months in Exmouth · #14 of 1383 destinations to visit in December · comfort 93/100 (tier S)
Updated September 2026 · climate normals from ERA5 reanalysis
Traveller notes on Exmouth in December
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 — December
| Daytime high | 31°C / 88°F | 🔥 sweltering |
|---|---|---|
| Nighttime low | 24°C / 75°F | |
| Feels like (high) | 34°C / 93°F | |
| Sea temperature | 25°C / 78°F | 😎 warm sea |
| Rainfall | 2 mm / 0.1 in | ☀️ dry |
| Rainy days | 1 days | |
| Humidity | 64% | 💧 humid |
| Dew point | 19°C / 66°F | |
| Sunshine | 12.5 h/day | |
| Daylight | 13.4 h | |
| Wind | 28 km/h / 17 mph | |
| Air quality (US AQI) | 34 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Exmouth 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.
BusySummer holidays in Australia, school holidays in 3 of the markets that fill it(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 December
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Nature
Turtle nesting and hatching
1 Nov – 28 Feb · usuallyGreen and loggerhead turtles nest on the Jurabi beaches through the summer and the hatchlings run from January. The rules are no lights, no flash, and stay behind them.
- 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 December — FAQ
- Is December a good time to visit Exmouth?
- December in Exmouth: sweltering, dry, with clean air — an excellent time to visit. It ranks #6 of 12 months for Exmouth on SeasonMap's comfort score (93/100).
- What is the weather like in Exmouth in December?
- In December, Exmouth averages a daily high of 31.3°C and a low of 23.8°C, with about 1.5 mm of rain over roughly 0.5 rainy days.
- What is the air quality in Exmouth in December?
- Exmouth has a mean US Air Quality Index of about 34 in December.