New South Wales weather in December 2019

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

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The December weather guide for New South Wales 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.

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

Guide to New South Wales weather in December

The average maximum daytime temperature in New South Wales 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 New South Wales in December is 21°C (70°F).

The weather in New South Wales in December is represented by Sydney.

New South Wales sunrise & sunset times for December 2019

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Sunday, 1st December 2019 05:37 19:51
Monday, 16th December 2019 05:39 20:02
Tuesday, 31st December 2019 05:46 20:09
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