- Pre-book & get 30% discount on campervans for Australia
- Change travel dates before pickup for FREE
- Travel before 31st December 2021 (inclusive)
Sydney weather in December 2020
Get the latest coronavirus (COVID-19) updates for Australia with current travel advice, statistics and online resources.
- 2626°C max day temperature
- 1010 days with some rainfall
- 1818°C min night temperature
- 1414 hours of daylight per day
- LLow heat & humidity
- 8686 mm of monthly rainfall
- 1111+ (Extreme) UV index
- 2121°C sea temperature
Recommended for New South Wales
The December weather guide for Sydney, 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.
Expires at 23:59 on Friday 31st Dec 2021
How hot is it in Sydney in December?
Daytime temperatures usually reach 26°C in Sydney in December with low heat and humidity, falling to 18°C at night.
How sunny is it in Sydney in December?
There are normally 8 hours of bright sunshine each day in Sydney in December - that's 54% of daylight hours.
How warm is the sea around Sydney in December?
The average sea temperature around Sydney in December is 21°C.
Does it rain in Sydney in December?
There are usually 10 days with some rain in Sydney in December and the average monthly rainfall is 86mm.
Sydney sunrise & sunset times for December 2020
Browse the sunrise & sunset times for Sydney in December 2020. Select a month to view Sydney sunrise & sunset times for the next twelve months.
|Date||Sunrise times||Sunset times|
|Tuesday, 1st December 2020||05:37||19:51|
|Wednesday, 16th December 2020||05:39||20:03|
|Thursday, 31st December 2020||05:47||20:09|
- Save on campervans for Australia with top deals & discounts
- Book last minute offers, early bird deals & promotional sales
- Locations include Brisbane, Cairns, Melbourne & Sydney
Metric (°C / mm) | Imperial (°F / inches)
Discover more about Sydney
Where is hot in New South Wales in December for 2020/2021?
Below are average maximum temperatures at popular destinations in New South Wales in December. Select a destination to see more weather parameters.
Get your weekly fix of holiday inspiration from some of the world's best travel writers plus save on your next trip with the latest exclusive offers
We promise not to share your details
Popular travel offers
*affiliate links: find out how we are funded and why this helps us remain free to use.