Mount Gambier
December
Weather in Mount Gambier for December 2025
Your guide to Mount Gambier weather in December - trends and predictions
Until now, December 2025 in Mount Gambier is slightly cooler than the historical average by -1.1 °C.
The forecast for the next days in Mount Gambier predicts temperatures to be around 25 °C, close to the historical average.
In general, the average temperature in Mount Gambier at the beginning of December is 24 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 24.9 °C by the end of December.
Mount Gambier experiences moderate rainfall in December, with an average of 9 rainy days and a total precipitation of 29.5 mm.
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Temperatures
Rain 🌧️
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22
Dry days
9
Rainy days
0
Snow days
23°/10°
Temperatures
16 km/h
Avg max wind
67 %
Avg humidity
Mount Gambier Weather December
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Temperatures trend during December in Mount Gambier
See the weather trend as well as the moving average line
December weather in Mount Gambier day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Dec. |  Light rain shower | 19° /9° | 3.8 mm | 7 | |
| 2 Dec. | Patchy rain possible | 23° /8° | 0.1 mm | 8 | |
| 3 Dec. |  Cloudy | 24° /8° | 0.2 mm | 9 | |
| 4 Dec. |  Overcast | 29° /9° | 0 mm | 10 | |
| 5 Dec. |  Sunny | 28° /10° | 0 mm | 10 | |
| 6 Dec. |  Partly cloudy | 24° /11° | 0.3 mm | 9 | |
| 7 Dec. | Partly cloudy | 21° /9° | 0.5 mm | 8 | |
| 8 Dec. | Patchy rain possible | 23° /10° | 0.1 mm | 8 | |
| 9 Dec. | Light rain shower | 20° /8° | 1.5 mm | 8 | |
| 10 Dec. | Cloudy | 20° /8° | 0 mm | 8 | |
| 11 Dec. | Light rain shower | 24° /9° | 0.7 mm | 8 | |
| 12 Dec. | Patchy rain possible | 30° /13° | 0.2 mm | 10 | |
| 13 Dec. | Light rain shower | 26° /11° | 1 mm | 9 | |
| 14 Dec. | Light rain shower | 23° /9° | 0.5 mm | 9 | |
| 15 Dec. | Cloudy | 18° /7° | 0 mm | 3.5 | |
| 16 Dec. | Sunny | 23° /8° | 0 mm | 3.6 | |
| 17 Dec. | Sunny | 33° /8° | 0 mm | 3.8 | |
| 18 Dec. | Sunny | 36° /14° | 0 mm | 3.7 | |
| 19 Dec. | Patchy rain possible | 18° /13° | 0.1 mm | 7 | |
| 20 Dec. | Patchy rain possible | 20° /12° | 0.5 mm | 6 | |
| 21 Dec. | Patchy rain possible | 28° /12° | 0.1 mm | 7 | |
| 22 Dec. | Partly cloudy | 26° /12° | 0.1 mm | 8 | |
| 23 Dec. | Patchy rain possible | 17° /11° | 0.3 mm | 6 | |
| 24 Dec. | Sunny | 21° /7° | 0 mm | 7 | |
| 25 Dec. | Partly cloudy | 27° /6° | 0 mm | 8 | |
| 26 Dec. | Partly cloudy | 31° /10° | 0 mm | 9 | |
| 27 Dec. | Partly cloudy | 23° /12° | 0 mm | 8 | |
| 28 Dec. | Sunny | 25° /9° | 0 mm | 8 | |
| 29 Dec. | Cloudy | 22° /9° | 0.1 mm | 8 | |
| 30 Dec. | Patchy rain possible | 22° /10° | 0.2 mm | 8 | |
| 31 Dec. | Partly cloudy | 24° /9° | 0 mm | 10 | |
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Important Notice
Our weather forecast for Mount Gambier 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 Mount Gambier forecast closer to your planned date for the most up-to-date weather information.
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Mount Gambier in December - FAQ
What are the expected maximum and minimum temperatures in Mount Gambier during December?
Enjoy moderate daytime temperatures of up to 23° and cooler nights around 10°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Mount Gambier during December?
In December, Mount Gambier can expect light to moderate rainfall, totaling 29.5 mm across approximately 9 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in Mount Gambier during December?
The average wind speed in Mount Gambier during December is 16 km/h, suggesting breezy to windy conditions, depending on your activities.
December rainfall patterns in Mount Gambier
Explore the daily rainfall trends and prepare for Mount Gambiers December weather 💧
Typically, Mount Gambier has 9 rainy days in December with a total of 29.5 mm of rainfall.
UV exposure in Mount Gambier during December
Stay informed about UV levels for safe outdoor activities throughout the month of December ☀️
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