Measurements:
°C
°F
Sydney
68°F
SW 10 mph
Feels like: 68°F
Precip: 79%
World Resorts Australia Sydney Weather December Weather in Sydney

Sydney Weather: December

Average Day Temperature: 78.6°F
Average Night Temperature: 68.0°F
Sea Water Temperature: 72.5°F
Number of Sunny Days: 14 days
Sunshine Hours: 14.2 - 14.4 hours
Number of Rainy Days: 3 days
Precipitation Totals: 1.9 in

Air Temperature in December, °F

Select Year: 2023 2022 2021

The highest day temperature in December 2023 was 99°F. The lowest night temperature was 65°F. The average values for day and night temperatures during December were 77.9°F и 70.0°F respectivly.

Sydney Water Sea Temperature in December, °F

Select Year: 2023 2022 2021

The average sea surface temperature in December 2023 for Sydney was 74.8°F. The maximum and minimum values were 71.8°F and 77.4°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 1.9 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
August 19 days
May 19 days
The most warm months:
January 81.8 °F
February 80.8 °F
March 79.3 °F
Warmest sea temperature:
February 76.8 °F
March 76.3 °F
January 75.7 °F
The most cold months:
July 63.2 °F
June 63.4 °F
August 64.7 °F
The most rainy months:
March 4 days
June 4 days
May 3 days
The most windy months:
December 11 mph
January 11 mph
November 11 mph

Sydney on the Weather Map

Australia Resorts:
NAME
Adelaide +82
Brisbane +74
Cairns +82
Canberra +72
Darwin +96
Fraser +78
Gold Coast +72
Melbourne +76
Perth +68
Sydney +68
Tasmania +58
24 Hours Weather Forecast
Sydney
Local time: 17:48
05 nov, tuesday
1800 68°F
SW
10 mph
2100 68°F
SW
9 mph
06 nov, wednesday
0000 66°F
S
9 mph
0300 64°F
S
6 mph
0600 66°F
S
4 mph
0900 74°F
SW
10 mph
1200 78°F
SW
14 mph
1500 76°F
SW
16 mph