Australia weather in December 2021

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Below are average maximum temperatures at popular destinations in Australia in December. Select a destination to see more weather parameters.

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The December weather guide for Australia 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.

How hot is it in Australia in December?

Daytime temperatures usually reach 26°C in Sydney, Australia in December with low heat and humidity, falling to 18°C at night.

How sunny is it in Australia in December?

There are normally 8 hours of bright sunshine each day in Sydney, Australia in December - that's 54% of daylight hours.

How warm is the sea around Australia in December?

The average sea temperature around Sydney, Australia in December is 21°C.

Does it rain in Australia in December?

There are usually 10 days with some rain in Sydney, Australia in December and the average monthly rainfall is 86mm.

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

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Australia sunrise & sunset times for December 2021

Browse the sunrise and sunset times for Australia in December 2021. Select a month to view Australia sunrise & sunset times for the next 12 months. The Australia sunrise and sunset times shown below are for Sydney.


Date Sunrise times Sunset times
Wednesday, 1st December 2021 04:37 18:51
Thursday, 16th December 2021 04:39 19:03
Friday, 31st December 2021 04:47 19:09
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