Measurements:
°C
°F
Sydney
48°F
NE 11 mph
Feels like: 44°F
Precip: 0%
World Resorts Canada Sydney Weather December Weather in Sydney

Sydney Weather: December

Average Day Temperature: 35.3°F
Average Night Temperature: 32.2°F
Sea Water Temperature: 39.2°F
Number of Sunny Days: 3 days
Sunshine Hours: 8.6 - 8.9 hours
Number of Rainy Days: 6 days
Precipitation Totals: 2.9 in
Number of Snowy Days: 1 day

Air Temperature in December, °F

Select 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 in December 2024 was 54°F. The lowest night temperature was 17°F. The average values for day and night temperatures during December were 32.7°F и 29.4°F respectivly.

Sydney Water Sea Temperature in December, °F

Select Year: 2024 2023 2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
31
34
37
40
43
46
49

The average sea surface temperature in December 2024 for Sydney was 39.4°F. The maximum and minimum values were 35.4°F and 44.4°F respectively.

Sunny, Cloudy and Gloomy days
Sunny days
Cloudy days
Gloomy days
10%
23%
68%

Most of the days in December are gloomy but you can also expect sunny days.

Precipitation Totals 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
5.7

Precipitation total in December for Sydney is 2.9 in. It makes december one of the most rainy months of the year.

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

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

Average Sunny Hours Per Day
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
0.0
1.1
2.2
3.3
4.5
5.6
6.7
7.8

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 2.5 hours.

Best Time to Visit Sydney
The most sunny months:
September 8 days
August 8 days
June 6 days
The most warm months:
August 75.5 °F
July 73.7 °F
September 67.8 °F
Warmest sea temperature:
August 70.3 °F
September 65.6 °F
July 63.7 °F
The most cold months:
February 26.5 °F
January 28.5 °F
March 32.5 °F
The most rainy months:
November 6 days
December 6 days
October 4 days
The most windy months:
December 12 mph
February 12 mph
November 11 mph

Sydney on the Weather Map

Canada Resorts:
NAME
Halifax +52
Moncton +46
Montreal +48
Niagara Falls +52
Ottawa +48
Prince Edward Island +46
Quebec +44
Saint John +46
St. John's +40
Sydney +48
Toronto +54
Vancouver +62
Victoria +58
Winnipeg +54
Yellowknife +24
24 Hours Weather Forecast
Sydney
Local time: 18:12
17 apr, thursday
2100 42°F
NE
6 mph
18 apr, friday
0000 40°F
E
5 mph
0300 38°F
E
5 mph
0600 36°F
E
6 mph
0900 40°F
E
11 mph
1200 50°F
E
11 mph
1500 50°F
E
11 mph
1800 50°F
E
9 mph