Adelaide Hills
December
Weather in Adelaide Hills for December 2025
Your guide to Adelaide Hills weather in December - trends and predictions
Until now, December 2025 in Adelaide Hills is slightly cooler than the historical average by -0.9 °C.
The forecast for the upcoming days in Adelaide Hills predicts a temperature of 28.8 °C, which is slightly above the historical average.
In general, the average temperature in Adelaide Hills at the beginning of December is 27.4 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 29 °C by the end of December.
With an average of 2 rainy days, Adelaide Hills experiences minimal rainfall in December.
New! Chat with our AI weatherman - it’s amazing and free.
Temperatures
Rain 🌧️
More
29
Dry days
2
Rainy days
0
Snow days
27°/13°
Temperatures
20 km/h
Avg max wind
52 %
Avg humidity
Adelaide Hills Weather December
Move between months or click on a day
Temperatures trend during December in Adelaide Hills
See the weather trend as well as the moving average line
December weather in Adelaide Hills day by day
Click on a date for more information
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Dec. |  Patchy rain possible | 21° /10° | 0.2 mm | 7 | |
| 2 Dec. | Patchy rain possible | 24° /10° | 0 mm | 8 | |
| 3 Dec. |  Partly cloudy | 26° /10° | 0.2 mm | 8 | |
| 4 Dec. |  Sunny | 33° /13° | 0 mm | 10 | |
| 5 Dec. | Partly cloudy | 32° /16° | 0 mm | 10 | |
| 6 Dec. | Patchy rain possible | 30° /15° | 0.2 mm | 9 | |
| 7 Dec. | Partly cloudy | 26° /12° | 0 mm | 9 | |
| 8 Dec. | Patchy rain possible | 30° /11° | 0.1 mm | 9 | |
| 9 Dec. |  Moderate rain | 25° /12° | 4.3 mm | 8 | |
| 10 Dec. |  Light drizzle | 24° /11° | 0.5 mm | 8 | |
| 11 Dec. | Sunny | 28° /13° | 0.1 mm | 9 | |
| 12 Dec. | Patchy light drizzle | 29° /15° | 0.5 mm | 9 | |
| 13 Dec. | Sunny | 27° /13° | 0.3 mm | 9 | |
| 14 Dec. | Patchy rain possible | 25° /12° | 0.2 mm | 8 | |
| 15 Dec. | Partly cloudy | 29° /14° | 0 mm | 9 | |
| 16 Dec. | Sunny | 25° /11° | 0 mm | 3.6 | |
| 17 Dec. | Sunny | 29° /17° | 0 mm | 3.9 | |
| 18 Dec. | Sunny | 31° /20° | 0 mm | 3.9 | |
| 19 Dec. | Partly cloudy | 34° /22° | 0 mm | 3.6 | |
| 20 Dec. | Patchy rain possible | 33° /24° | 0.2 mm | 9 | |
| 21 Dec. | Patchy rain possible | 36° /17° | 0.5 mm | 9 | |
| 22 Dec. | Partly cloudy | 20° /15° | 0.1 mm | 8 | |
| 23 Dec. | Sunny | 21° /13° | 0 mm | 8 | |
| 24 Dec. | Sunny | 27° /12° | 0 mm | 8 | |
| 25 Dec. | Sunny | 29° /17° | 0 mm | 9 | |
| 26 Dec. | Sunny | 30° /22° | 0 mm | 10 | |
| 27 Dec. | Partly cloudy | 33° /24° | 0 mm | 10 | |
| 28 Dec. | Sunny | 26° /15° | 0 mm | 9 | |
| 29 Dec. | Sunny | 29° /13° | 0 mm | 9 | |
| 30 Dec. | Partly cloudy | 26° /12° | 0 mm | 8 | |
| 31 Dec. | Sunny | 30° /12° | 0 mm | 8 | |
| Next | |||||
Important Notice
Our weather forecast for Adelaide Hills 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 Adelaide Hills forecast closer to your planned date for the most up-to-date weather information.
Change Month
Adelaide Hills in December - FAQ
What are the expected maximum and minimum temperatures in Adelaide Hills during December?
Enjoy moderate daytime temperatures of up to 27° and cooler nights around 13°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Adelaide Hills during December?
Expect minimal rainfall in Adelaide Hills during December, with a total of 11.8 mm over approximately 2 days. This minimal precipitation is unlikely to significantly impact plans.
What are the typical wind conditions in Adelaide Hills during December?
The average wind speed in Adelaide Hills during December is 20 km/h, suggesting breezy to windy conditions, depending on your activities.
December rainfall patterns in Adelaide Hills
Explore the daily rainfall trends and prepare for Adelaide Hillss December weather 💧
Typically, Adelaide Hills has 2 rainy days in December with a total of 11.8 mm of rainfall.
UV exposure in Adelaide Hills during December
Stay informed about UV levels for safe outdoor activities throughout the month of December ☀️
Quick links
More Adelaide Hills weather pages
You are here
Where is Adelaide Hills?Get accurate weather forecasts for Adelaide Hills, located at latitude -34.911 and longitude 138.707. Stay updated with localized weather information tailored for Adelaide Hills.
Found a mistake?
We appreciate your attention to details. Tell us here.