Weather in Whyalla in December 2025, December - Whyalla, South Australia, Australia

Currently in Whyalla: +22°C

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Weather in December 2025 in Whyalla

The average temperature in Whyalla in December year of 2025 is +21°C. Interesting that the average daytime temperature is as +24°C while the average nightly temperature is +17°C. The December hottest day is the 4th December(Afternoon) with a temperature of about +32°C. The coldest day in Auckland in December 2025 is 29th December(Overnight). The temperature at that time is +12°C.

As a Occasional cloudy month, December 2025 has 12 days with precipitation.

How Sunny Whyalla Weather in December 2025

The weather in Whyalla is quite changeable, similarly in many other places in . Talking about Whyalla weather in December 2025 can be described as "Occasional cloudy".

Clear Sky vs Cloudiness	Occasional cloudy
Rainy Days(Occasional Showers Included)	12
Maximum Temperature	+32°C (Afternoon, 4th December)
Minimum Temperature	+12°C (Overnight, 29th December)

Please find more detailed day by day information about December weather in Auckland in the year 2025 below.

Whyalla Weather December 2025

Early December, from 1 December, 2025 to Sun, 7 December 2025

01.12.2025, Mon
Wind: 9-10 m/s, S,S-W, Pressure: 1020-1012 hPa, Humidity: 32-34%
Overnight	+15°C	Clear Sky
Morning	+17°C	Occasional Showers
Afternoon	+19°C	Occasional Showers
Evening	+17°C	Occasional Showers
02.12.2025, Tue
Wind: 5-6 m/s, S, Pressure: 1028-1020 hPa, Humidity: 46-48%
Overnight	+7°C	Occasional Showers
Morning	+10°C	Cloud
Afternoon	+12°C	Light Cloud
Evening	+12°C	Light Cloud
03.12.2025, Wen
Wind: 1-2 m/s, S,S-E, Pressure: 1024-1016 hPa, Humidity: 30-32%
Overnight	+17°C	Cloud
Morning	+21°C	Cloud
Afternoon	+21°C	Light Cloud
Evening	+23°C	Light Cloud
04.12.2025, Thu
Wind: 2-3 m/s, E,N-E, Pressure: 1019-1011 hPa, Humidity: 20-22%
Overnight	+13°C	Cloud
Morning	+22°C	Thunderstorm
Afternoon	+30°C	Mainly Cloudy
Evening	+25°C	Light Cloud
05.12.2025, Fri
Wind: 5-6 m/s, W, Pressure: 1009-1001 hPa, Humidity: 42-44%
Overnight	+15°C	Thunderstorm
Morning	+21°C	Mainly Cloudy
Afternoon	+27°C	Light Cloud
Evening	+23°C	Cloud
06.12.2025, Sat
Wind: 8-9 m/s, W, Pressure: 1016-1008 hPa, Humidity: 40-42%
Overnight	+11°C	Cloud
Morning	+14°C	Cloud
Afternoon	+19°C	Cloud
Evening	+19°C	Light Cloud
07.12.2025, Sun
Wind: 9-10 m/s, S, Pressure: 1019-1011 hPa, Humidity: 45-47%
Overnight	+14°C	Light Cloud
Morning	+15°C	Mainly Cloudy
Afternoon	+21°C	Mainly Cloudy
Evening	+18°C	Mainly Cloudy

Early December, Early December, from 1 December, 2025 to Sun, 7 December, 2025

08.12.2025, Mon
Wind: 5-6 m/s, S, Pressure: 1027-1019 hPa, Humidity: 54-56%
Overnight	+7°C	Mainly Cloudy
Morning	+10°C	Cloud
Afternoon	+15°C	Cloud
Evening	+14°C	Cloud
09.12.2025, Tue
Wind: 2-3 m/s, N,N-E, Pressure: 1023-1015 hPa, Humidity: 29-31%
Overnight	+13°C	Cloud
Morning	+17°C	Mainly Cloudy
Afternoon	+27°C	Clear Sky
Evening	+25°C	Cloud
10.12.2025, Wen
Wind: 7-8 m/s, S, Pressure: 1024-1016 hPa, Humidity: 42-44%
Overnight	+13°C	Mainly Cloudy
Morning	+14°C	Mainly Cloudy
Afternoon	+22°C	Clear Sky
Evening	+22°C	Cloud
11.12.2025, Thu
Wind: 4-5 m/s, S-E, Pressure: 1024-1016 hPa, Humidity: 28-30%
Overnight	+18°C	Mainly Cloudy
Morning	+22°C	Occasional Showers
Afternoon	+20°C	Thunderstorm
Evening	+18°C	Occasional Showers
12.12.2025, Fri
Wind: 7-8 m/s, N,N-E, Pressure: 1019-1011 hPa, Humidity: 29-31%
Overnight	+14°C	Occasional Showers
Morning	+15°C	Cloud
Afternoon	+29°C	Cloud
Evening	+26°C	Light Cloud
13.12.2025, Sat
Wind: 10-11 m/s, N,N-E, Pressure: 1016-1008 hPa, Humidity: 62-64%
Overnight	+22°C	Light Cloud
Morning	+23°C	Mainly Cloudy
Afternoon	+20°C	Light Cloud
Evening	+19°C	Cloud
14.12.2025, Sun
Wind: 8-9 m/s, N, Pressure: 1013-1005 hPa, Humidity: 30-32%
Overnight	+17°C	Cloud
Morning	+19°C	Mainly Cloudy
Afternoon	+31°C	Mainly Cloudy
Evening	+31°C	Mainly Cloudy

Early December, from 1 December, 2025 to Sun, 7 December, 2025

15.12.2025, Mon
Wind: 9-10 m/s, S, Pressure: 1016-1008 hPa, Humidity: 64-66%
Overnight	+16°C	Mainly Cloudy
Morning	+17°C	Clear Sky
Afternoon	+18°C	Clear Sky
Evening	+17°C	Clear Sky
16.12.2025, Tue
Wind: 6-7 m/s, S, Pressure: 1015-1007 hPa, Humidity: 79-81%
Overnight	+19°C	Clear Sky
Morning	+19°C	Cloud
Afternoon	+23°C	Light Cloud
Evening	+18°C	Mainly Cloudy
17.12.2025, Wen
Wind: 7-8 m/s, S, Pressure: 1015-1007 hPa, Humidity: 62-64%
Overnight	+14°C	Cloud
Morning	+16°C	Mainly Cloudy
Afternoon	+16°C	Clear Sky
Evening	+14°C	Cloud
18.12.2025, Thu
Wind: 7-8 m/s, S, Pressure: 1020-1012 hPa, Humidity: 50-52%
Overnight	+8°C	Mainly Cloudy
Morning	+10°C	Thunderstorm
Afternoon	+21°C	Mainly Cloudy
Evening	+18°C	Light Cloud
19.12.2025, Fri
Wind: 4-5 m/s, S, Pressure: 1021-1013 hPa, Humidity: 37-39%
Overnight	+13°C	Thunderstorm
Morning	+15°C	Cloud
Afternoon	+17°C	Cloud
Evening	+17°C	Light Cloud
20.12.2025, Sat
Wind: 3-4 m/s, S, Pressure: 1016-1008 hPa, Humidity: 35-37%
Overnight	+13°C	Light Cloud
Morning	+16°C	Cloud
Afternoon	+18°C	Cloud
Evening	+18°C	Light Cloud
21.12.2025, Sun
Wind: 8-9 m/s, S, Pressure: 1012-1004 hPa, Humidity: 61-63%
Overnight	+13°C	Light Cloud
Morning	+15°C	Occasional Showers
Afternoon	+16°C	Occasional Showers
Evening	+15°C	Occasional Showers

Early December, from 1 December, 2025 to Sun, 7 December, 2025

22.12.2025, Mon
Wind: 7-8 m/s, S, Pressure: 1020-1012 hPa, Humidity: 58-60%
Overnight	+16°C	Occasional Showers
Morning	+17°C	Mainly Cloudy
Afternoon	+20°C	Mainly Cloudy
Evening	+18°C	Mainly Cloudy
23.12.2025, Tue
Wind: 6-7 m/s, S, Pressure: 1024-1016 hPa, Humidity: 54-56%
Overnight	+10°C	Mainly Cloudy
Morning	+13°C	Cloud
Afternoon	+16°C	Light Cloud
Evening	+16°C	Light Cloud
24.12.2025, Wen
Wind: 6-7 m/s, S, Pressure: 1023-1015 hPa, Humidity: 54-56%
Overnight	+9°C	Cloud
Morning	+11°C	Cloud
Afternoon	+16°C	Light Cloud
Evening	+15°C	Light Cloud
25.12.2025, Thu
Wind: 0-1 m/s, N-E, Pressure: 1020-1012 hPa, Humidity: 33-35%
Overnight	+15°C	Cloud
Morning	+18°C	Thunderstorm
Afternoon	+24°C	Mainly Cloudy
Evening	+24°C	Light Cloud
26.12.2025, Fri
Wind: 0-1 m/s, E,N-E, Pressure: 1016-1008 hPa, Humidity: 29-31%
Overnight	+20°C	Thunderstorm
Morning	+27°C	Mainly Cloudy
Afternoon	+26°C	Light Cloud
Evening	+23°C	Cloud
27.12.2025, Sat
Wind: 7-8 m/s, S,S-W, Pressure: 1011-1003 hPa, Humidity: 52-54%
Overnight	+15°C	Cloud
Morning	+18°C	Cloud
Afternoon	+27°C	Cloud
Evening	+26°C	Light Cloud
28.12.2025, Sun
Wind: 8-9 m/s, S, Pressure: 1019-1011 hPa, Humidity: 47-49%
Overnight	+15°C	Light Cloud
Morning	+18°C	Clear Sky
Afternoon	+14°C	Clear Sky
Evening	+13°C	Clear Sky

Late December, Early December, from 1 December, 2025 to Sun, 7 December, 2025

29.12.2025, Mon
Wind: 5-6 m/s, S, Pressure: 1023-1015 hPa, Humidity: 46-48%
Overnight	+10°C	Clear Sky
Morning	+14°C	Clear Sky
Afternoon	+19°C	Clear Sky
Evening	+18°C	Clear Sky
30.12.2025, Tue
Wind: 5-6 m/s, S, Pressure: 1020-1012 hPa, Humidity: 51-53%
Overnight	+16°C	Clear Sky
Morning	+19°C	Mainly Cloudy
Afternoon	+17°C	Clear Sky
Evening	+17°C	Cloud
31.12.2025, Wen
Wind: 5-6 m/s, S, Pressure: 1020-1012 hPa, Humidity: 45-47%
Overnight	+15°C	Mainly Cloudy
Morning	+18°C	Cloud
Afternoon	+26°C	Light Cloud
Evening	+25°C	Light Cloud