N 11 mph
Feels like: 72°F
Precip: 29%
World Resorts Australia Sydney December Weather

Sydney Weather: December

Average Day Temperature: 80.6°F
Average Night Temperature: 67.6°F
Sea Water Temperature: 72.2°F
Number of Sunny Days: 16 days
Sunshine Hours: 14.2 - 14.4 hours
Number of Rainy Days: 4 days
Precipitation Totals: 2.0 in

Air Temperature in December, °F

Select Year: 2017 2016 2015

The highest day temperature in December 2017 was 97°F. The lowest night temperature was 65°F. The average values for day and night temperatures during December were 80.5°F и 72.0°F respectivly.

Sydney Water Sea Temperature in December, °F

Select Year: 2018 2017 2016

The average sea surface temperature in December 2017 for Sydney was 73.0°F. The maximum and minimum values were 70.6°F and 74.6°F respectively.

Sunny, Cloudy and Gloomy days

Most of the days in December are sunny but you can also expect cloudy and gloomy days.

Precipitation Totals in December, in

Precipitation total in December for Sydney is 2.0 in.

Wind Speed in December, mph

The average wind speed in December is 10.6 mph. This value is relatively stable throughout the year.

Average Sunny Hours Per Day

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Sydney in December is 9.4 hours.

Best Time to Visit Sydney
The most sunny months:
July 21 days
August 21 days
May 21 days
The most warm months:
January 83.6 °F
February 82.5 °F
March 81.1 °F
Warmest sea temperature:
February 76.6 °F
March 76.1 °F
January 75.3 °F
The most cold months:
July 63.7 °F
June 63.8 °F
August 64.9 °F
The most rainy months:
June 5 days
February 4 days
November 4 days
The most windy months:
December 11 mph
November 11 mph
January 10 mph

Sydney on the Weather Map

Australia Resorts:
Adelaide +74
Brisbane +76
Cairns +86
Canberra +58
Darwin +90
Fraser +80
Gold Coast +76
Melbourne +64
Perth +70
Sydney +72
Tasmania +56
24 Hours Weather Forecast
Local time: 04:00
19 dec, wednesday
0600 72°F
11 mph
0900 72°F
9 mph
1200 72°F
9 mph
1500 74°F
11 mph
1800 74°F
9 mph
2100 68°F
6 mph
20 dec, thursday
0000 70°F
5 mph
0300 72°F
3 mph