Weather in Australia in December 2018

  • 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 2018/2019. The December weather averages shown above are for Sydney.

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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 2018

Browse the sunrise & sunset times for Australia in December 2018. Select a month to view Australia sunrise & sunset times for the next twelve months. The Australia sunrise & sunset times shown below are for Sydney.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Saturday, 1st December 2018 04:37 18:51
Sunday, 2nd December 2018 04:37 18:52
Monday, 3rd December 2018 04:37 18:53
Tuesday, 4th December 2018 04:37 18:54
Wednesday, 5th December 2018 04:37 18:54
Thursday, 6th December 2018 04:37 18:55
Friday, 7th December 2018 04:37 18:56
Saturday, 8th December 2018 04:37 18:57
Sunday, 9th December 2018 04:37 18:58
Monday, 10th December 2018 04:37 18:58
Tuesday, 11th December 2018 04:37 18:59
Wednesday, 12th December 2018 04:38 19:00
Thursday, 13th December 2018 04:38 19:01
Friday, 14th December 2018 04:38 19:01
Saturday, 15th December 2018 04:38 19:02
Sunday, 16th December 2018 04:39 19:03
Monday, 17th December 2018 04:39 19:03
Tuesday, 18th December 2018 04:39 19:04
Wednesday, 19th December 2018 04:40 19:04
Thursday, 20th December 2018 04:40 19:05
Friday, 21st December 2018 04:41 19:05
Saturday, 22nd December 2018 04:41 19:06
Sunday, 23rd December 2018 04:42 19:06
Monday, 24th December 2018 04:42 19:07
Tuesday, 25th December 2018 04:43 19:07
Wednesday, 26th December 2018 04:43 19:08
Thursday, 27th December 2018 04:44 19:08
Friday, 28th December 2018 04:45 19:08
Saturday, 29th December 2018 04:45 19:09
Sunday, 30th December 2018 04:46 19:09
Monday, 31st December 2018 04:47 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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