World Resorts Australia Sydney Weather

Sydney weather in December

Weather in Sydney: December

Average day temperature: 24.6°C
Average night temperature: 19.1°C
Sea water temperature: 21.2°C
Number of sunny days: 14 days
Day length: 14.2 - 14.4 hours
Number of rainy days: 3 days
Precipitation totals: 50.8 mm.

Air temperature in December, °C

Show year:
2021
2020
2019

The highest day temperature during December of 2021 was 30°C. At the same time the lowest night temperature was 16°C. Daily and nightly averages during December were 21.6°C and 18.9°C.

Sea water temperature in Sydney in December, °C

Show year:
2021
2020
2019

The average sea water temperature in December of 2021 was 22.2°C. The highest and lowest sea temperatures during the month were class="nb">24.1°C and 19.7°C.

Sunny, partly cloudy and cloudy days

Mostly all days in December are sunny but cloudy days are also possible.

Precipitation total in December, mm

Precipitation total value in Sydney in December is 50.8 mm.

Wind speed in December, m/s

The average wind speed value in December is 4.9 m./s. The wind's strength is relatively same during the whole year.

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in December is: 8.9.

Best time for vacation in Sydney

Sunniest months:
August 20 days
July 19 days
May 19 days
Warmest months:
January 26.1 °C
February 25.4 °C
December 24.6 °C
Warmest sea temp:
February 23.4 °C
March 23.1 °C
January 22.8 °C
Coldest months:
July 16.5 °C
June 16.6 °C
August 17.2 °C
Rainiest months:
June 5 days
March 4 days
February 3 days
Windiest months:
December 4.9 m/s
January 4.9 m/s
November 4.8 m/s

Sydney on a weather map

Sydney
+16°C
N 11 m/s
Feels like: +16°C
Precip.: 0%
Places in Australia:
Name
С°
+10°C
+14°C
+15°C
+27°C
+6°C
+19°C
+9°C
+16°C
+16°C
+8°C
+15°C
24 Hours Forecast
Sydney
Local time: 06:32
September 30, friday
0900
16°C
N
10 m/s
1200
17°C
N
9 m/s
1500
17°C
NW
9 m/s
1800
15°C
NW
9 m/s
2100
15°C
NW
9 m/s
October 01, saturday
0000
15°C
NW
8 m/s
0300
14°C
NW
7 m/s
0600
14°C
N
8 m/s