SE 11 mph
Feels like: 54°F
Precip: 0%
World Resorts Australia Sydney Weather December Weather in Sydney

Sydney Weather: December

Average Day Temperature: 80.7°F
Average Night Temperature: 68.0°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: 2.3 in

Air Temperature in December, °F

Select Year: 2018 2017 2016

The highest day temperature in December 2018 was 93°F. The lowest night temperature was 65°F. The average values for day and night temperatures during December were 80.7°F и 71.2°F respectivly.

Sydney Water Sea Temperature in December, °F

Select Year: 2018 2017 2016

The average sea surface temperature in December 2018 for Sydney was 72.3°F. The maximum and minimum values were 69.4°F and 74.2°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 2.3 in. It makes december one of the most rainy months of the year.

Wind Speed in December, mph

The average wind speed in December is 10.8 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 83.7 °F
February 82.3 °F
March 80.9 °F
Warmest sea temperature:
February 76.6 °F
March 76.3 °F
January 75.4 °F
The most cold months:
July 63.7 °F
June 63.8 °F
August 64.9 °F
The most rainy months:
June 5 days
November 4 days
December 4 days
The most windy months:
December 11 mph
November 11 mph
January 11 mph

Sydney on the Weather Map

Australia Resorts:
Adelaide +52
Brisbane +62
Cairns +70
Canberra +42
Darwin +80
Fraser +66
Gold Coast +62
Melbourne +48
Perth +60
Sydney +58
Tasmania +38
24 Hours Weather Forecast
Local time: 07:11
27 may, monday
0900 62°F
16 mph
1200 60°F
23 mph
1500 60°F
24 mph
1800 58°F
21 mph
2100 54°F
20 mph
28 may, tuesday
0000 54°F
19 mph
0300 52°F
17 mph
0600 52°F
16 mph