Wollongong
December
Weather in Wollongong for December 2025
Your guide to Wollongong weather in December - trends and predictions
Until now, December 2025 in Wollongong is slightly cooler than the historical average by -0.6 °C.
Expect cooler weather in the next days in Wollongong with the forecast suggesting a temperature of 23.4 °C, lower than the historical average.
In general, the average temperature in Wollongong at the beginning of December is 25.9 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 24.4 °C by the end of December.
Wollongong in December brings notable rainfall, with an average of 17 rainy days and a total precipitation of 63.8 mm.
New! Chat with our AI weatherman - it’s amazing and free.
Temperatures
Rain 🌧️
More
14
Dry days
17
Rainy days
0
Snow days
25°/17°
Temperatures
20 km/h
Avg max wind
75 %
Avg humidity
Wollongong Weather December
Move between months or click on a day
Temperatures trend during December in Wollongong
See the weather trend as well as the moving average line
December weather in Wollongong day by day
Click on a date for more information
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Dec. |  Light rain shower | 23° /15° | 2.5 mm | 7 | |
| 2 Dec. |  Sunny | 24° /14° | 3.4 mm | 8 | |
| 3 Dec. |  Patchy light rain with thunder | 25° /15° | 1.2 mm | 8 | |
| 4 Dec. | Patchy rain possible | 24° /14° | 0.3 mm | 8 | |
| 5 Dec. |  Partly cloudy | 29° /16° | 0 mm | 9 | |
| 6 Dec. | Sunny | 29° /18° | 0.4 mm | 9 | |
| 7 Dec. | Partly cloudy | 27° /16° | 2.1 mm | 8 | |
| 8 Dec. | Patchy rain possible | 27° /16° | 0.3 mm | 8 | |
| 9 Dec. | Patchy rain possible | 29° /17° | 1 mm | 8 | |
| 10 Dec. | Patchy rain possible | 24° /17° | 2.5 mm | 7 | |
| 11 Dec. | Patchy rain possible | 22° /17° | 4.3 mm | 7 | |
| 12 Dec. | Partly cloudy | 24° /16° | 3.6 mm | 8 | |
| 13 Dec. |  Moderate rain | 25° /16° | 8 mm | 2.7 | |
| 14 Dec. | Patchy rain possible | 29° /16° | 2.6 mm | 3.4 | |
| 15 Dec. | Patchy rain possible | 17° /16° | 1 mm | 1.1 | |
| 16 Dec. | Patchy rain possible | 19° /16° | 1.3 mm | 2 | |
| 17 Dec. | Patchy rain possible | 21° /15° | 0.1 mm | 3.6 | |
| 18 Dec. | Sunny | 24° /16° | 0 mm | 9 | |
| 19 Dec. | Patchy rain possible | 28° /18° | 1 mm | 8 | |
| 20 Dec. | Patchy rain possible | 30° /19° | 0.3 mm | 8 | |
| 21 Dec. | Moderate rain | 26° /20° | 13.9 mm | 8 | |
| 22 Dec. | Patchy rain possible | 21° /18° | 4.6 mm | 7 | |
| 23 Dec. | Patchy rain possible | 21° /16° | 0.2 mm | 7 | |
| 24 Dec. | Patchy rain possible | 20° /17° | 0.7 mm | 7 | |
| 25 Dec. | Patchy rain possible | 22° /17° | 1 mm | 7 | |
| 26 Dec. | Patchy rain possible | 24° /18° | 0.2 mm | 8 | |
| 27 Dec. | Sunny | 29° /17° | 3.4 mm | 8 | |
| 28 Dec. | Sunny | 26° /16° | 0.1 mm | 7 | |
| 29 Dec. | Patchy rain possible | 24° /16° | 1.4 mm | 6 | |
| 30 Dec. | Patchy rain possible | 24° /17° | 4.8 mm | 6 | |
| 31 Dec. | Patchy rain possible | 22° /16° | 2 mm | 6 | |
| Next | |||||
Important Notice
Our weather forecast for Wollongong 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 Wollongong forecast closer to your planned date for the most up-to-date weather information.
Change Month
Wollongong in December - FAQ
What are the expected maximum and minimum temperatures in Wollongong during December?
During December, expect a variety of temperatures with highs around 25° and lows near 17°, suitable for diverse activities and preferences.
How much rainfall should be expected in Wollongong during December?
Moderate rainfall is anticipated in Wollongong during December, with a total of 63.8 mm spread over approximately 17 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Wollongong during December?
The average wind speed in Wollongong during December is 20 km/h, suggesting breezy to windy conditions, depending on your activities.
December rainfall patterns in Wollongong
Explore the daily rainfall trends and prepare for Wollongongs December weather 💧
Typically, Wollongong has 17 rainy days in December with a total of 63.8 mm of rainfall.
UV exposure in Wollongong during December
Stay informed about UV levels for safe outdoor activities throughout the month of December ☀️
Quick links
More Wollongong weather pages
You are here
Where is Wollongong?Get accurate weather forecasts for Wollongong, located at latitude -34.424 and longitude 150.893. Stay updated with localized weather information tailored for Wollongong.
Found a mistake?
We appreciate your attention to details. Tell us here.