City of Sydney (Pymble)
December
Weather in City of Sydney for December 2025
Your guide to City of Sydney weather in December - trends and predictions
Until now, December 2025 in City of Sydney has been nearly identical to the historical average, with a temperature of 26.2 °C (showing only a slight deviation of -0.1 °C).
Expect cooler weather in the next days in City of Sydney with the forecast suggesting a temperature of 24.4 °C, lower than the historical average.
In general, the average temperature in City of Sydney at the beginning of December is 26.6 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 25.1 °C by the end of December.
The climate of City of Sydney in December is notably wet, with an average of 13 rainy days, and a total of 61.3 mm of precipitation.
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Temperatures
Rain 🌧️
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18
Dry days
13
Rainy days
0
Snow days
26°/18°
Temperatures
23 km/h
Avg max wind
71 %
Avg humidity
City of Sydney Weather December
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Temperatures trend during December in City of Sydney
See the weather trend as well as the moving average line
December weather in City of Sydney day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Dec. |  Patchy rain possible | 25° /16° | 2.8 mm | 9 | |
| 2 Dec. |  Sunny | 25° /16° | 4.5 mm | 9 | |
| 3 Dec. | Patchy rain possible | 25° /16° | 1 mm | 9 | |
| 4 Dec. | Patchy rain possible | 24° /17° | 0.3 mm | 9 | |
| 5 Dec. | Sunny | 29° /17° | 0 mm | 10 | |
| 6 Dec. | Sunny | 30° /20° | 0.7 mm | 10 | |
| 7 Dec. | Sunny | 28° /18° | 1.4 mm | 10 | |
| 8 Dec. | Patchy rain possible | 27° /18° | 0.4 mm | 9 | |
| 9 Dec. | Patchy rain possible | 30° /19° | 0.3 mm | 10 | |
| 10 Dec. | Patchy rain possible | 24° /19° | 2.1 mm | 9 | |
| 11 Dec. | Patchy rain possible | 22° /18° | 5.4 mm | 8 | |
| 12 Dec. | Patchy rain possible | 24° /18° | 4.6 mm | 9 | |
| 13 Dec. | Patchy rain possible | 26° /17° | 2.3 mm | 3 | |
| 14 Dec. | Patchy rain possible | 31° /19° | 1.6 mm | 3.4 | |
| 15 Dec. | Patchy rain possible | 19° /17° | 1.3 mm | 1.4 | |
| 16 Dec. | Patchy rain possible | 19° /17° | 0.9 mm | 1.1 | |
| 17 Dec. | Patchy rain possible | 22° /17° | 0.5 mm | 3.4 | |
| 18 Dec. | Sunny | 25° /17° | 0 mm | 9 | |
| 19 Dec. | Sunny | 29° /17° | 0 mm | 9 | |
| 20 Dec. | Patchy rain possible | 31° /21° | 0.2 mm | 9 | |
| 21 Dec. | Patchy rain possible | 29° /20° | 2.6 mm | 8 | |
| 22 Dec. | Patchy rain possible | 22° /19° | 1.2 mm | 8 | |
| 23 Dec. | Patchy rain possible | 22° /18° | 0.1 mm | 7 | |
| 24 Dec. | Patchy rain possible | 21° /18° | 0.6 mm | 7 | |
| 25 Dec. | Patchy rain possible | 21° /18° | 1.7 mm | 7 | |
| 26 Dec. | Patchy rain possible | 25° /19° | 0.3 mm | 8 | |
| 27 Dec. |  Patchy light rain with thunder | 31° /18° | 0.7 mm | 10 | |
| 28 Dec. |  Partly cloudy | 27° /18° | 0.1 mm | 10 | |
| 29 Dec. |  Patchy light drizzle | 25° /18° | 0.9 mm | 9 | |
| 30 Dec. | Patchy rain possible | 25° /18° | 1.7 mm | 9 | |
| 31 Dec. | Patchy rain possible | 22° /18° | 0.6 mm | 8 | |
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Important Notice
Our weather forecast for City of Sydney 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 City of Sydney forecast closer to your planned date for the most up-to-date weather information.
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City of Sydney in December - FAQ
What are the expected maximum and minimum temperatures in City of Sydney during December?
During December, expect a variety of temperatures with highs around 26° and lows near 18°, suitable for diverse activities and preferences.
How much rainfall should be expected in City of Sydney during December?
Moderate rainfall is anticipated in City of Sydney during December, with a total of 61.3 mm spread over approximately 13 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in City of Sydney during December?
The average wind speed in City of Sydney during December is 23 km/h, suggesting breezy to windy conditions, depending on your activities.
December rainfall patterns in City of Sydney
Explore the daily rainfall trends and prepare for City of Sydneys December weather 💧
Typically, City of Sydney has 13 rainy days in December with a total of 61.3 mm of rainfall.
UV exposure in City of Sydney during December
Stay informed about UV levels for safe outdoor activities throughout the month of December ☀️
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