Australia weather in December 2019

  • 26°C maximum daytime temperature in December in Australia (Sydney)26
    26°C max day temperature
  • 8 hours of sunshine per day (54% of daylight hours) in December in Australia8
    8 hours of sunshine per day
  • 10 days with some rainfall in December in Australia (Sydney)10
    10 days with some rainfall
  • 18°C minimum night-time temperature in December in Australia (Sydney)18
    18°C min night temperature
  • 14 hours of daylight per day in December in Australia (Sydney)14
    14 hours of daylight per day
  • Low heat & humidity in December in Australia (Sydney)L
    Low heat & humidity
  • 86 mm monthly rainfall in December in Australia (Sydney)86
    86 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in December in Australia (Sydney)11
    11+ (Extreme) UV index
  • 21°C sea temperature in December in Australia (Sydney)21
    21°C sea temperature

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Expect 26°C daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Australia in December. Check more long-term weather averages for Australia in December before you book your next holiday to Australia in 2019/2020. The December weather averages shown above are for Sydney.

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More about Australia

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The December weather guide for Australia, represented by Sydney, 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)

Guide to Australia weather in December

The average maximum daytime temperature in Australia in December is a warm 26°C (79°F) with low heat & humidity. The average night-time temperature is usually a comfortable 18°C (64°F). There are usually 8 hours of bright sunshine each day, which represents 54% of the 14 hours of daylight.

Expect 86mm (3.4 inches) of rainfall across the whole of December with 10 days with some rain falling. Maximum UV levels will be extreme (11+ UV index) at midday when the skies are clear.

The average sea temperature in and around Australia in December is 21°C (70°F).

The weather in Australia in December is represented by Sydney.

Australia sunrise & sunset times for December 2019

Browse the sunrise & sunset times for Australia in December 2019. Select a month to view Australia sunrise & sunset times for the next twelve months. The Australia sunrise & sunset times shown below are for Sydney.


Date Sunrise times Sunset times
Sunday, 1st December 2019 04:37 18:51
Monday, 2nd December 2019 04:37 18:52
Tuesday, 3rd December 2019 04:37 18:53
Wednesday, 4th December 2019 04:37 18:53
Thursday, 5th December 2019 04:37 18:54
Friday, 6th December 2019 04:37 18:55
Saturday, 7th December 2019 04:37 18:56
Sunday, 8th December 2019 04:37 18:57
Monday, 9th December 2019 04:37 18:57
Tuesday, 10th December 2019 04:37 18:58
Wednesday, 11th December 2019 04:37 18:59
Thursday, 12th December 2019 04:38 19:00
Friday, 13th December 2019 04:38 19:00
Saturday, 14th December 2019 04:38 19:01
Sunday, 15th December 2019 04:38 19:02
Monday, 16th December 2019 04:39 19:02
Tuesday, 17th December 2019 04:39 19:03
Wednesday, 18th December 2019 04:39 19:04
Thursday, 19th December 2019 04:40 19:04
Friday, 20th December 2019 04:40 19:05
Saturday, 21st December 2019 04:41 19:05
Sunday, 22nd December 2019 04:41 19:06
Monday, 23rd December 2019 04:42 19:06
Tuesday, 24th December 2019 04:42 19:07
Wednesday, 25th December 2019 04:43 19:07
Thursday, 26th December 2019 04:43 19:07
Friday, 27th December 2019 04:44 19:08
Saturday, 28th December 2019 04:44 19:08
Sunday, 29th December 2019 04:45 19:09
Monday, 30th December 2019 04:46 19:09
Tuesday, 31st December 2019 04:46 19:09
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Popular Australia destinations

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

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