Greater Geelong (Geelong)
December
Weather in Greater Geelong for December 2025
Your guide to Greater Geelong weather in December - trends and predictions
Until now, December 2025 in Greater Geelong is slightly cooler than the historical average by -1.3 °C.
The forecast for the upcoming days in Greater Geelong predicts a temperature of 26.8 °C, which is slightly above the historical average.
In general, the average temperature in Greater Geelong at the beginning of December is 23.7 °C. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 26.3 °C by the end of December.
Greater Geelong experiences moderate rainfall in December, with an average of 10 rainy days and a total precipitation of 60.2 mm.
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Temperatures
Rain 🌧️
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21
Dry days
10
Rainy days
0
Snow days
24°/12°
Temperatures
23 km/h
Avg max wind
65 %
Avg humidity
Greater Geelong Weather December
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Temperatures trend during December in Greater Geelong
See the weather trend as well as the moving average line
December weather in Greater Geelong day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Dec. |  Light rain shower | 16° /11° | 2.6 mm | 6 | |
| 2 Dec. |  Light rain | 22° /10° | 3.6 mm | 7 | |
| 3 Dec. | Patchy rain possible | 24° /10° | 1.4 mm | 8 | |
| 4 Dec. |  Partly cloudy | 28° /12° | 0 mm | 9 | |
| 5 Dec. |  Sunny | 28° /11° | 0 mm | 9 | |
| 6 Dec. | Sunny | 24° /12° | 0.5 mm | 8 | |
| 7 Dec. |  Overcast | 24° /10° | 0.4 mm | 7 | |
| 8 Dec. | Light rain shower | 27° /12° | 0.3 mm | 8 | |
| 9 Dec. | Light rain shower | 20° /10° | 7.9 mm | 7 | |
| 10 Dec. | Patchy rain possible | 20° /10° | 0.1 mm | 7 | |
| 11 Dec. | Light drizzle | 20° /10° | 1 mm | 6 | |
| 12 Dec. | Light rain shower | 28° /12° | 2.3 mm | 8 | |
| 13 Dec. |  Thundery outbreaks possible | 28° /15° | 0.8 mm | 8 | |
| 14 Dec. | Patchy rain possible | 22° /10° | 0.2 mm | 7 | |
| 15 Dec. |  Cloudy | 23° /9° | 0 mm | 7 | |
| 16 Dec. | Patchy rain possible | 27° /12° | 0 mm | 8 | |
| 17 Dec. | Sunny | 31° /10° | 0 mm | 3.6 | |
| 18 Dec. | Sunny | 35° /15° | 0 mm | 3.7 | |
| 19 Dec. | Patchy rain possible | 35° /17° | 0.4 mm | 2.6 | |
| 20 Dec. | Sunny | 25° /13° | 0 mm | 3.6 | |
| 21 Dec. | Patchy rain possible | 25° /12° | 1.2 mm | 1.4 | |
| 22 Dec. | Partly cloudy | 22° /12° | 0 mm | 8 | |
| 23 Dec. | Patchy rain possible | 19° /11° | 0 mm | 6 | |
| 24 Dec. | Sunny | 23° /8° | 0 mm | 7 | |
| 25 Dec. | Sunny | 18° /9° | 0 mm | 7 | |
| 26 Dec. | Partly cloudy | 19° /10° | 0 mm | 7 | |
| 27 Dec. | Sunny | 28° /11° | 0 mm | 8 | |
| 28 Dec. | Sunny | 33° /15° | 0 mm | 9 | |
| 29 Dec. | Sunny | 34° /18° | 0 mm | 10 | |
| 30 Dec. | Patchy rain possible | 28° /16° | 0.2 mm | 7 | |
| 31 Dec. |  Moderate rain at times | 24° /12° | 0.2 mm | 7 | |
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Important Notice
Our weather forecast for Greater Geelong 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 Greater Geelong forecast closer to your planned date for the most up-to-date weather information.
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Greater Geelong in December - FAQ
What are the expected maximum and minimum temperatures in Greater Geelong during December?
Enjoy moderate daytime temperatures of up to 24° and cooler nights around 12°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Greater Geelong during December?
Moderate rainfall is anticipated in Greater Geelong during December, with a total of 60.2 mm spread over approximately 10 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Greater Geelong during December?
The average wind speed in Greater Geelong during December is 23 km/h, suggesting breezy to windy conditions, depending on your activities.
December rainfall patterns in Greater Geelong
Explore the daily rainfall trends and prepare for Greater Geelongs December weather 💧
Typically, Greater Geelong has 10 rainy days in December with a total of 60.2 mm of rainfall.
UV exposure in Greater Geelong during December
Stay informed about UV levels for safe outdoor activities throughout the month of December ☀️
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