World Weather & Climate Information

Average weather December in Sydney (New South Wales), Australia

The average minimum temperature (usually the minimum temperature is noted during the night) in Sydney in December is 17.0°C (62.6°F). The amount of rain in December is high with an average of 81mm (3.2in). The average maximum temperature lies around 26.0°C (78.8°F). With a water temperature of around 20.0°C (68°F), this is a great month to swim. If you enjoy looking at a blue sky and like sunbathing than this month is a great period to visit Sydney. It has 257 hours of sun.

So what to wear in December? Visitors traveling to Sydney should plan on bringing a totally waterproof rain jacket since it will be raining some days. Also bring your shorts and or a skirt because it can be very warm or even hot.

Do these climate conditions match with when you want to go to Sydney? Find out where to stay here.

For other monthly weather averages and what to do in December look at the numbers below.

Monthly averages

°C
Min Temperature 17.0°C
Max Temperature 26.0°C
Water Temperature 20.0°C
Chance of Rain 43.3%
Precipitation 81mm
Rainy Days 13
Windspeed 14.4kmph
Humidity 58%
Sunshine Hours 257
Percentage Sunshine 55%

What to Do

We rated the following activities from 1 (least suitable) to 10 (best) to do in December.
Swimming
9/10
Cycling
7/10
Walking
7/10
Camping
8/10
Outdoor sports
7/10

More climate information for Sydney

Weather and Climate offers all the information you need to know about the climate in Sydney.

We collected past weather data from many thousand weather stations around the world. So find on this website the historical weather averages in other cities in Australia and climate and forecast data for all other countries in the world.

Cheapest month to fly to Sydney

Where to stay in Sydney

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