New South Wales weather in December 2024

Expect 26°C daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in New South Wales in December. Check more long-term weather averages for New South Wales in December before you book your next holiday to New South Wales in 2024/2025.

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

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The December weather guide for New South Wales (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.

Top New South Wales destinations

Below are average maximum temperatures at popular countries, regions and places in New South Wales in December. Select a holiday destination to see more weather parameters.

All New South Wales destinations

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

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More about Australia

How hot is it in New South Wales in December?

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

How sunny is it in New South Wales in December?

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

How warm is the sea around New South Wales in December?

The average sea temperature around Sydney, New South Wales in December is 21°C.

Does it rain in New South Wales in December?

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

New South Wales December sunrise & sunset times

Browse the sunrise and sunset times for New South Wales in December 2024. Select a month to view New South Wales sunrise and sunset times for the next 12 months. The New South Wales sunrise and sunset times shown below are for Sydney.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Sunday, 1st December 2024 05:37 19:51
Monday, 16th December 2024 05:39 20:03
Tuesday, 31st December 2024 05:47 20:09

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