Sydney Weather in December

What's the weather like in Sydney (New South Wales) in December 2024?

The climate in Sydney during December can be summarized as warm and a little damp.

December is in the summer in Sydney and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a comfortable 26°C (78°F), whilst at night 18°C (64°F) is normal.

Sydney weather averages (imperial / metric)
Daytime temperature 25.6°C 78.1°F
Nightly temperature 17.8°C 64°F
Average temperature 21.7°C 71.1°F
Daily sunshine 8.3 hrs
Avg rainfall 86 mm 3.4 ins
Rainy days 10 days
Sea temperature 22.4°C 72.3°F
Humidity 61%
Windspeed 15.5kph 10 mph

On average December is the 3rd driest month of the year in Sydney with around 86mm 3.4 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 10 days, although this may vary considerably.

On the flip side this corresponds to an average of 8.3 hours of sunshine per day.

December temperatures in Sydney

Sydney average temperature in December

December rainfall

Sydney average rain in December

December hourly sunshine

Sydney average rain in December

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Sydney in December 2024.

Other monthly averages

Best places to visit in December

UV index Best time to go?

Sydney weather stats

Sydney weather statistics
Hottest month: February 26°C 78.8°F
Driest month: September 62mm 2.4ins
Sunniest month: August 7.8hrs
Coldest month: July 16.9°C 62.4°F
Wettest month: March 153mm 6ins
Map showing location of Sydney (-33.86785, 151.20732) Sydney map pin © Google

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