World Resorts Canada Sydney Weather

Sydney weather in December

Weather in Sydney: December

Average day temperature: 36.7°F
Average night temperature: 34.0°F
Sea water temperature: 40.3°F
Number of sunny days: 3 days
Day length: 8.6 - 8.9 hours
Number of days with precipitation: 7 days
Precipitation totals: 2.9 in.

Air temperature in December, °F

Show year:
2024
2023
2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
0
9
18
27
36
45
54
63
72
Day temperature   
Night temperature

The highest day temperature during December of 2024 was 53°F. At the same time the lowest night temperature was 20°F. Day and night temperature averages during December were 34.4°F and 31.4°F.

Sea water temperature in Sydney in December, °F

Show year:
2024
2023
2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
32
35
38
41
44
47
50

The average sea water temperature in December of 2024 was 40.4°F. The highest and lowest sea temperatures during the month were 45.0°F and 36.9°F.

Sunny, partly cloudy and cloudy days
Sunny days
Partly cloudy days
Cloudy days
10%
23%
68%

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

Precipitation total in December, in.

jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
0.7
1.4
2.2
2.9
3.6
4.3
5.0
4.2
2.3
1.9
2.1
1.5
1.6
1.5
2.1
2.6
2.3
2.2
2.9
4.2
2.3
1.9
2.1
1.5
1.6
1.5
2.1
2.6
2.3
2.2

Precipitation total value in Sydney in December is 2.9 in. Other months of the year show relatively similar values.

Wind speed in December, mph
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
2.0
4.1
6.1
8.1
10.2
12.2
14.3
11.6
9.0
9.4
8.4
7.8
8.5
9.4
10.6
11.3
11.7
11.3
11.9
11.6
9.0
9.4
8.4
7.8
8.5
9.4
10.6
11.3
11.7
11.3

The average wind speed value in December is 11.9 mph It makes December most windy month of the year.

Average sunny hours
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
1.1
2.2
3.3
4.4
5.5
6.6
7.7
2.8
4.3
5.2
6.2
6.3
6.4
6.2
5.1
3.8
3.2
2.7
2.6
2.8
4.3
5.2
6.2
6.3
6.4
6.2
5.1
3.8
3.2
2.7

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: 2.6.

Best time for vacation in Sydney

Sunniest months:
August 8 days
September 8 days
July 6 days
Warmest months:
August 72.9 °F
July 71.3 °F
September 66.0 °F
Warmest sea temp:
August 68.2 °F
September 64.1 °F
July 62.3 °F
Coldest months:
February 29.3 °F
January 30.6 °F
March 33.6 °F
Rainiest months:
November 6 days
December 6 days
October 4 days
Windiest months:
December 11.9 mph
February 11.7 mph
November 11.6 mph

Sydney on a weather map

Leaflet | Tiles © Esri
Places in Canada:
Name
°F
+46°F
+46°F
+25°F
+28°F
+1°F
+19°F
+23°F
+46°F
+28°F
+25°F
+18°F
+25°F
+27°F
+27°F
24 Hours Forecast
Sydney
Local time: 14:57
February 22, saturday
1500
27°F
SE
14 mph
1800
23°F
E
11 mph
2100
18°F
E
7 mph
February 23, sunday
0000
14°F
E
6 mph
0300
14°F
E
6 mph
0600
16°F
NE
7 mph
0900
19°F
NE
8 mph
1200
28°F
NE
11 mph
Units of measurement: °C / °F