Climate guide for Exmouth, Australia

Exmouth in December

Weather, crowds & best time to visit

How to read the score (0–10)
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December · Australia

Best time to visit Exmouth in December Weather, crowds & prices

Weather in Exmouth in December

Average temperature 28°C, 1 mm of rain, about 31 days with 6+ hours of sunshine and 61% humidity — based on the five most recent complete years of ERA5 data (2021–2025).

December score

10.0/10

Ranked #5 of 12 months

Full year for Exmouth
Avg temp
28°C
Rainfall
1 mm
Humidity
61%
Days with 6h+ sun
31
Crowd Density
Peak Tourist Rush
Average Expenses
$$$ · Peak Season Rates ($$$)

December in Exmouth scores 10.0/10 for beach and coastal travel - an above-average month (#5 of 12). Expect around 28°C, 1 mm of rain, and roughly 31 days with 6+ hours of sunshine this month.

Exmouth opens Ningaloo Reef for whale-shark swims and Cape Range coastal snorkel days. Best window: the drier Southern Hemisphere months.

December in Exmouth — one of the year's strongest windows (5th)

December averages 28°C (83°F), so the practical pattern is early mornings, a long midday break, and evenings back outside.

Rain is a non-issue at 1 mm for the month, with about 31 days with 6+ hours of sunshine and 13.3 hours of daylight to work with.

A 10/10 puts this among the year's best months in Exmouth (5th of 12); only January scores higher, at 10/10.

Pack the lightest breathable clothing you own, a hat, and more water than feels necessary.

Plan for peak pricing, with this is one of the busiest months here.

View all 12 months

Ranked by pure climate comfort

Score scale: 0.0 → 10.0Quiet / UncrowdedModerate CrowdsPeak Tourist Rush

Frequently asked

What is the weather like in Exmouth in December?
In December, Exmouth averages 28°C, 1 mm of rain, and about 31 days with 6+ hours of sunshine. Its climate-comfort score is 10.0/10.
Is December a good time to visit Exmouth?
December earns a 10.0/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
How much does it rain in Exmouth in December?
Expect about 1 mm of rain in December. Average humidity is 61% and there are about 31 days with 6+ hours of sunshine.

Curated in Exmouth

Tickets & experiences

Things to do in Exmouth

Exmouth, Australia. Live activities and tours from GetYourGuide, matched to this destination.