Weather in Sydney in December 2026, December

Currently in Sydney: +19°C

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Weather in December 2026 in Sydney

The average temperature in Sydney in December year of 2026 is +21°C. Interesting that the average daytime temperature is as +24°C while the average nightly temperature is +18°C. The December hottest day is the 7th December(Afternoon) with a temperature of about +30°C. The coldest day in Auckland in December 2026 is 29th December(Morning). The temperature at that time is +14°C.

As a Mainly Cloudy with Precipitation month, December 2026 has 19 days with precipitation.

How Sunny Sydney Weather in December 2026

The weather in Sydney is quite changeable, similarly in many other places in . Talking about Sydney weather in December 2026 can be described as "Mainly Cloudy with Precipitation".

Clear Sky vs Cloudiness	Mainly Cloudy with Precipitation
Rainy Days(Occasional Showers Included)	19
Maximum Temperature	+30°C (Afternoon, 7th December)
Minimum Temperature	+14°C (Morning, 29th December)

Please find more detailed day by day information about December weather in Auckland in the year 2026 below.

Sydney Weather December 2026

Early December, from 1 December, 2026 to Sun, 6 December 2026

01.12.2026, Tue
Wind: 7-8 m/s, N-E, Pressure: 1015-1007 hPa, Humidity: 56-58%
Overnight	+16°C	Light Cloud
Morning	+19°C	Occasional Showers
Afternoon	+20°C	Occasional Showers
Evening	+23°C	Occasional Showers
02.12.2026, Wen
Wind: 6-7 m/s, S,S-E, Pressure: 1023-1015 hPa, Humidity: 64-66%
Overnight	+13°C	Occasional Showers
Morning	+14°C	Cloud
Afternoon	+18°C	Light Cloud
Evening	+16°C	Mainly Cloudy
03.12.2026, Thu
Wind: 6-7 m/s, N-E, Pressure: 1025-1017 hPa, Humidity: 68-70%
Overnight	+17°C	Cloud
Morning	+19°C	Cloud
Afternoon	+22°C	Light Cloud
Evening	+21°C	Mainly Cloudy
04.12.2026, Fri
Wind: 3-4 m/s, E, Pressure: 1017-1009 hPa, Humidity: 36-38%
Overnight	+11°C	Cloud
Morning	+12°C	Thunderstorm
Afternoon	+23°C	Mainly Cloudy
Evening	+21°C	Light Cloud
05.12.2026, Sat
Wind: 5-6 m/s, N-E, Pressure: 1015-1007 hPa, Humidity: 64-66%
Overnight	+19°C	Thunderstorm
Morning	+24°C	Mainly Cloudy
Afternoon	+19°C	Light Cloud
Evening	+19°C	Cloud
06.12.2026, Sun
Wind: 3-4 m/s, W, Pressure: 1007-999 hPa, Humidity: 30-32%
Overnight	+14°C	Cloud
Morning	+15°C	Mainly Cloudy
Afternoon	+25°C	Light Cloud
Evening	+25°C	Cloud

Early December, Early December, from 1 December, 2026 to Sun, 6 December, 2026

07.12.2026, Mon
Wind: 3-4 m/s, W, Pressure: 1011-1003 hPa, Humidity: 33-35%
Overnight	+15°C	Cloud
Morning	+17°C	Clear Sky
Afternoon	+28°C	Clear Sky
Evening	+26°C	Clear Sky
08.12.2026, Tue
Wind: 7-8 m/s, S, Pressure: 1017-1009 hPa, Humidity: 43-45%
Overnight	+16°C	Clear Sky
Morning	+17°C	Clear Sky
Afternoon	+16°C	Clear Sky
Evening	+15°C	Clear Sky
09.12.2026, Wen
Wind: 3-4 m/s, E, Pressure: 1023-1015 hPa, Humidity: 49-51%
Overnight	+14°C	Clear Sky
Morning	+17°C	Cloud
Afternoon	+17°C	Light Cloud
Evening	+15°C	Light Cloud
10.12.2026, Thu
Wind: 8-9 m/s, S, Pressure: 1021-1013 hPa, Humidity: 64-66%
Overnight	+10°C	Cloud
Morning	+11°C	Cloud
Afternoon	+21°C	Light Cloud
Evening	+18°C	Mainly Cloudy
11.12.2026, Fri
Wind: 6-7 m/s, S-E, Pressure: 1033-1025 hPa, Humidity: 62-64%
Overnight	+13°C	Cloud
Morning	+14°C	Occasional Showers
Afternoon	+12°C	Rain
Evening	+12°C	Rain
12.12.2026, Sat
Wind: 5-6 m/s, S-E, Pressure: 1035-1027 hPa, Humidity: 57-59%
Overnight	+12°C	Occasional Showers
Morning	+12°C	Mainly Cloudy
Afternoon	+16°C	Light Cloud
Evening	+19°C	Cloud
13.12.2026, Sun
Wind: 5-6 m/s, E, Pressure: 1028-1020 hPa, Humidity: 69-71%
Overnight	+15°C	Cloud
Morning	+17°C	Mainly Cloudy
Afternoon	+16°C	Light Cloud
Evening	+16°C	Cloud

Early December, from 1 December, 2026 to Sun, 6 December, 2026

14.12.2026, Mon
Wind: 4-5 m/s, E,N-E, Pressure: 1025-1017 hPa, Humidity: 80-82%
Overnight	+20°C	Cloud
Morning	+21°C	Occasional Showers
Afternoon	+24°C	Occasional Showers
Evening	+19°C	Occasional Showers
15.12.2026, Tue
Wind: 3-4 m/s, E,N-E, Pressure: 1020-1012 hPa, Humidity: 91-93%
Overnight	+14°C	Occasional Showers
Morning	+16°C	Occasional Showers
Afternoon	+17°C	Occasional Showers
Evening	+16°C	Occasional Showers
16.12.2026, Wen
Wind: 5-6 m/s, E,N-E, Pressure: 1015-1007 hPa, Humidity: 76-78%
Overnight	+14°C	Occasional Showers
Morning	+14°C	Cloud
Afternoon	+26°C	Light Cloud
Evening	+24°C	Mainly Cloudy
17.12.2026, Thu
Wind: 4-5 m/s, N,N-E, Pressure: 1011-1003 hPa, Humidity: 80-82%
Overnight	+18°C	Cloud
Morning	+19°C	Cloud
Afternoon	+21°C	Light Cloud
Evening	+21°C	Mainly Cloudy
18.12.2026, Fri
Wind: 2-3 m/s, N,N-E, Pressure: 1011-1003 hPa, Humidity: 42-44%
Overnight	+21°C	Cloud
Morning	+23°C	Rain
Afternoon	+25°C	Hail
Evening	+23°C	Rain
19.12.2026, Sat
Wind: 4-5 m/s, S-E, Pressure: 1021-1013 hPa, Humidity: 77-79%
Overnight	+18°C	Rain
Morning	+18°C	Mainly Cloudy
Afternoon	+18°C	Light Cloud
Evening	+18°C	Cloud
20.12.2026, Sun
Wind: 1-2 m/s, S-E, Pressure: 1017-1009 hPa, Humidity: 83-85%
Overnight	+20°C	Cloud
Morning	+22°C	Mainly Cloudy
Afternoon	+24°C	Light Cloud
Evening	+22°C	Cloud

Early December, from 1 December, 2026 to Sun, 6 December, 2026

21.12.2026, Mon
Wind: 2-3 m/s, N-E, Pressure: 1016-1008 hPa, Humidity: 77-79%
Overnight	+13°C	Cloud
Morning	+14°C	Occasional Showers
Afternoon	+18°C	Occasional Showers
Evening	+16°C	Occasional Showers
22.12.2026, Tue
Wind: 5-6 m/s, W, Pressure: 1007-999 hPa, Humidity: 46-48%
Overnight	+18°C	Occasional Showers
Morning	+19°C	Occasional Showers
Afternoon	+22°C	Occasional Showers
Evening	+26°C	Occasional Showers
23.12.2026, Wen
Wind: 4-5 m/s, S, Pressure: 1016-1008 hPa, Humidity: 48-50%
Overnight	+14°C	Occasional Showers
Morning	+16°C	Cloud
Afternoon	+22°C	Light Cloud
Evening	+21°C	Light Cloud
24.12.2026, Thu
Wind: 5-6 m/s, N-E, Pressure: 1019-1011 hPa, Humidity: 55-57%
Overnight	+18°C	Cloud
Morning	+21°C	Mainly Cloudy
Afternoon	+18°C	Clear Sky
Evening	+17°C	Cloud
25.12.2026, Fri
Wind: 6-7 m/s, S,S-E, Pressure: 1024-1016 hPa, Humidity: 75-77%
Overnight	+13°C	Mainly Cloudy
Morning	+14°C	Occasional Showers
Afternoon	+18°C	Rain
Evening	+18°C	Rain
26.12.2026, Sat
Wind: 5-6 m/s, E,N-E, Pressure: 1023-1015 hPa, Humidity: 66-68%
Overnight	+11°C	Occasional Showers
Morning	+12°C	Mainly Cloudy
Afternoon	+18°C	Light Cloud
Evening	+18°C	Cloud
27.12.2026, Sun
Wind: 1-2 m/s, N, Pressure: 1016-1008 hPa, Humidity: 51-53%
Overnight	+14°C	Cloud
Morning	+20°C	Mainly Cloudy
Afternoon	+27°C	Light Cloud
Evening	+25°C	Cloud

Late December, Early December, from 1 December, 2026 to Sun, 6 December, 2026

28.12.2026, Mon
Wind: 7-8 m/s, S, Pressure: 1012-1004 hPa, Humidity: 61-63%
Overnight	+18°C	Cloud
Morning	+18°C	Occasional Showers
Afternoon	+21°C	Occasional Showers
Evening	+19°C	Occasional Showers
29.12.2026, Tue
Wind: 2-3 m/s, S-E, Pressure: 1019-1011 hPa, Humidity: 88-90%
Overnight	+11°C	Occasional Showers
Morning	+12°C	Occasional Showers
Afternoon	+19°C	Occasional Showers
Evening	+18°C	Occasional Showers
30.12.2026, Wen
Wind: 4-5 m/s, E, Pressure: 1023-1015 hPa, Humidity: 77-79%
Overnight	+19°C	Occasional Showers
Morning	+20°C	Cloud
Afternoon	+23°C	Light Cloud
Evening	+16°C	Mainly Cloudy
31.12.2026, Thu
Wind: 4-5 m/s, E,S-E, Pressure: 1024-1016 hPa, Humidity: 68-70%
Overnight	+14°C	Cloud
Morning	+14°C	Mainly Cloudy
Afternoon	+23°C	Clear Sky
Evening	+21°C	Cloud