South Australia (Adelaide)
December
Weather in South Australia for December 2025
Your guide to South Australia weather in December - trends and predictions
In general, the average temperature in South Australia at the beginning of December is 25 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 25.9 °C by the end of December.
With an average of 3 rainy days, South Australia experiences minimal rainfall in December.
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Temperatures
Rain 🌧️
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28
Dry days
3
Rainy days
0
Snow days
24°/14°
Temperatures
21 km/h
Avg max wind
56 %
Avg humidity
South Australia in December average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  24° | 2  25° | 3  24° | 4 27° | 5 26° | 6  26° | 7 23° |
| 8 23° | 9 21° | 10 24° | 11 24° | 12  25° | 13 23° | 14 24° |
| 15 24° | 16 25° | 17 25° | 18 26° | 19 24° | 20 25° | 21 23° |
| 22 23° | 23 23° | 24 24° | 25 26° | 26 26° | 27 26° | 28 24° |
| 29 24° | 30 26° | 31 29° |
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Temperatures trend during December in South Australia
See the weather trend as well as the moving average line
December weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Dec. | Partly cloudy | 24° /13° | 0 mm | 8 | |
| 2 Dec. | Sunny | 25° /13° | 0.1 mm | 8 | |
| 3 Dec. | Overcast | 24° /12° | 0.2 mm | 8 | |
| 4 Dec. | Sunny | 27° /13° | 0 mm | 9 | |
| 5 Dec. | Partly cloudy | 26° /15° | 0.2 mm | 9 | |
| 6 Dec. | Cloudy | 26° /15° | 0.2 mm | 8 | |
| 7 Dec. | Sunny | 23° /13° | 0.1 mm | 8 | |
| 8 Dec. | Overcast | 23° /12° | 0 mm | 8 | |
| 9 Dec. | Partly cloudy | 21° /11° | 5.6 mm | 7 | |
| 10 Dec. | Partly cloudy | 24° /12° | 0.6 mm | 8 | |
| 11 Dec. | Sunny | 24° /12° | 0.4 mm | 9 | |
| 12 Dec. | Patchy rain possible | 25° /14° | 0.9 mm | 8 | |
| 13 Dec. | Patchy rain possible | 23° /15° | 0.4 mm | 8 | |
| 14 Dec. | Partly cloudy | 24° /14° | 0.2 mm | 8 | |
| 15 Dec. | Overcast | 24° /14° | 0.1 mm | 8 | |
| 16 Dec. | Sunny | 25° /13° | 1.1 mm | 8 | |
| 17 Dec. | Partly cloudy | 25° /13° | 0 mm | 9 | |
| 18 Dec. | Sunny | 26° /14° | 0 mm | 9 | |
| 19 Dec. | Sunny | 24° /13° | 0.1 mm | 8 | |
| 20 Dec. | Partly cloudy | 25° /14° | 0.1 mm | 9 | |
| 21 Dec. | Patchy rain possible | 23° /13° | 0.7 mm | 8 | |
| 22 Dec. | Patchy rain possible | 23° /12° | 0 mm | 7 | |
| 23 Dec. | Sunny | 23° /12° | 0 mm | 8 | |
| 24 Dec. | Sunny | 24° /12° | 0 mm | 8 | |
| 25 Dec. | Partly cloudy | 26° /14° | 0.3 mm | 8 | |
| 26 Dec. | Sunny | 26° /15° | 0.2 mm | 8 | |
| 27 Dec. | Patchy rain possible | 26° /15° | 0.1 mm | 8 | |
| 28 Dec. | Cloudy | 24° /12° | 1 mm | 7 | |
| 29 Dec. | Partly cloudy | 24° /12° | 0 mm | 8 | |
| 30 Dec. | Partly cloudy | 26° /14° | 0 mm | 8 | |
| 31 Dec. | Sunny | 29° /15° | 0 mm | 9 | |
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Important Notice
Our weather forecast for South Australia in December is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the South Australia forecast closer to your planned date for the most up-to-date weather information.
South Australia in December - FAQ
What are the expected maximum and minimum temperatures in South Australia during December?
Enjoy moderate daytime temperatures of up to 24° and cooler nights around 14°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in South Australia during December?
Expect minimal rainfall in South Australia during December, with a total of 12.6 mm over approximately 3 days. This minimal precipitation is unlikely to significantly impact plans.
What are the typical wind conditions in South Australia during December?
The average wind speed in South Australia during December is 21 km/h, suggesting breezy to windy conditions, depending on your activities.
December rainfall patterns in South Australia
Explore the daily rainfall trends and prepare for South Australias December weather 💧
UV exposure in South Australia during December
Stay informed about UV levels for safe outdoor activities throughout the month of December ☀️
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