Ceduna weather in December 2025

Expect daytime maximum temperatures of 28°C in Ceduna, South Australia in December based on long-term weather averages. There are 10 hours of sunshine per day on average.

  • 28°C maximum daytime temperature in December in Ceduna28
    28°C max day temperature
  • 10 hours of sunshine per day
  • 5 days with some rainfall in December in Ceduna5
    5 days with some rainfall
  • 14°C minimum night-time temperature in December in Ceduna14
    14°C min night temperature
  • 14 hours of daylight per day in December in Ceduna14
    14 hours of daylight per day
  • Low heat & humidity in December in CedunaL
    Low heat & humidity
  • 20 mm monthly rainfall in December in Ceduna20
    20 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in December in Ceduna11
    11+ (Extreme) UV index
  • 19°C sea temperature in December in Ceduna19
    19°C sea temperature

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The December weather guide for South Australia (Ceduna) 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 Ceduna in December?

Daytime temperatures usually reach 28°C in Ceduna in December with low heat and humidity, falling to 14°C at night.

How sunny is it in Ceduna in December?

There are normally 10 hours of bright sunshine each day in Ceduna in December - that's 68% of daylight hours.

How warm is the sea around Ceduna in December?

The average sea temperature around Ceduna in December is 19°C.

Does it rain in Ceduna in December?

There are usually 5 days with some rain in Ceduna in December and the average monthly rainfall is 20mm.

Ceduna December sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st December 2025 05:22 19:27
Tuesday, 16th December 2025 05:23 19:38
Wednesday, 31st December 2025 05:32 19:45

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