Measurements:
°C
°F
Sydney
80°F
SW 24 mph
Feels like: 82°F
Precip: 0%
World Resorts Australia Sydney Weather December Weather in Sydney

Sydney Weather: December

Average Day Temperature: 78.6°F
Average Night Temperature: 68.1°F
Sea Water Temperature: 72.7°F
Number of Sunny Days: 14 days
Sunshine Hours: 14.2 - 14.4 hours
Number of Rainy Days: 3 days
Precipitation Totals: 1.7 in

Air Temperature in December, °F

Select Year: 2024 2023 2022

The highest day temperature in December 2024 was 91°F. The lowest night temperature was 63°F. The average values for day and night temperatures during December were 78.8°F и 69.7°F respectivly.

Sydney Water Sea Temperature in December, °F

Select Year: 2024 2023 2022

The average sea surface temperature in December 2024 for Sydney was 74.7°F. The maximum and minimum values were 72.2°F and 76.6°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 1.7 in.

Wind Speed in December, mph

The average wind speed in December is 11.0 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 8.9 hours.

Best Time to Visit Sydney
The most sunny months:
July 19 days
May 18 days
August 18 days
The most warm months:
January 81.5 °F
February 80.7 °F
March 79.2 °F
Warmest sea temperature:
February 76.8 °F
March 76.3 °F
January 75.8 °F
The most cold months:
July 63.0 °F
June 63.3 °F
August 64.6 °F
The most rainy months:
June 4 days
March 4 days
November 3 days
The most windy months:
January 11 mph
December 11 mph
November 11 mph

Sydney on the Weather Map

Australia Resorts:
NAME
Adelaide +70
Brisbane +78
Cairns +84
Canberra +92
Darwin +88
Fraser +80
Gold Coast +78
Melbourne +74
Perth +74
Sydney +80
Tasmania +54
24 Hours Weather Forecast
Sydney
Local time: 19:03
05 dec, friday
2100 84°F
SW
19 mph
06 dec, saturday
0000 76°F
S
10 mph
0300 74°F
S
7 mph
0600 78°F
SE
7 mph
0900 90°F
S
6 mph
1200 96°F
S
11 mph
1500 96°F
S
16 mph
1800 88°F
SW
18 mph