Exmouth weather in December 2025

Expect daytime maximum temperatures of 36°C in Exmouth, Western Australia in December and very high heat and humidity based on long-term weather averages. There are 12 hours of sunshine per day on average.

  • 36°C maximum daytime temperature in December in Exmouth36
    36°C max day temperature
  • 12 hours of sunshine per day
  • 1 day with some rainfall in December in Exmouth1
    1 day with some rainfall
  • 21°C minimum night-time temperature in December in Exmouth21
    21°C min night temperature
  • 13 hours of daylight per day in December in Exmouth13
    13 hours of daylight per day
  • High heat & humidity in December in ExmouthH
    High heat & humidity
  • 5 mm monthly rainfall in December in Exmouth5
    5 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in December in Exmouth11
    11+ (Extreme) UV index
  • 25°C sea temperature in December in Exmouth25
    25°C sea temperature

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The December weather guide for Western Australia (Exmouth) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

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How hot is it in Exmouth in December?

Daytime temperatures usually reach 36°C in Exmouth in December with high heat and humidity, falling to 21°C at night.

How sunny is it in Exmouth in December?

There are normally 12 hours of bright sunshine each day in Exmouth in December - that's 88% of daylight hours.

How warm is the sea around Exmouth in December?

The average sea temperature around Exmouth in December is 25°C.

Does it ever rain in Exmouth in December?

There is usually 1 day with some rain in Exmouth in December and the average monthly rainfall is 5mm.

What is the chance of a cyclone in Exmouth in December?

On average less than 1 day in December in Exmouth is likely to be affected by the passage of one or more tropical storms.

Exmouth December sunrise & sunset times

Browse the sunrise and sunset times for Exmouth in December 2025. Select a month to view Exmouth sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st December 2025 05:31 18:54
Tuesday, 16th December 2025 05:35 19:03
Wednesday, 31st December 2025 05:43 19:10

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