Sydney
December
Weather in Sydney for December 2026
Your guide to Sydney weather in December - trends and predictions
The climate of Sydney in December is quite snowy, averaging 12 snowy days.
In general, the average temperature in Sydney at the beginning of December is 3.9 °C. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 1.3 °C by the end of December.
New! Chat with our AI weatherman - it’s amazing and free.
Snow Forecast ❄️
Temperatures
More
8
Dry days
11
Rainy days
12
Snow days
3°/-1°
Temperatures
25 km/h
Avg max wind
80 %
Avg humidity
Sydney Weather December
Move between months or click on a day
Temperatures trend during December in Sydney
See the weather trend as well as the moving average line
December weather in Sydney day by day
Click on a date for more information
| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| 1 Dec. |  Overcast | 7° /1° | 18.2 mm | 1 cm | |
| 2 Dec. | Overcast | 4° /0° | 1 mm | 0 cm | |
| 3 Dec. |  Patchy rain possible | 5° /0° | 50.1 mm | 0 cm | |
| 4 Dec. |  Heavy snow | 3° /0° | 12.8 mm | 6.5 cm | |
| 5 Dec. |  Moderate or heavy snow showers | 5° /-3° | 17.8 mm | 1.1 cm | |
| 6 Dec. |  Light snow showers | 2° /-4° | 8.9 mm | 0 cm | |
| 7 Dec. |  Cloudy | 1° /-3° | 0.1 mm | 0.1 cm | |
| 8 Dec. |  Patchy light snow | 1° /-4° | 19.1 mm | 8 cm | |
| 9 Dec. | Overcast | 2° /-4° | 3.7 mm | 0 cm | |
| 10 Dec. | Overcast | 4° /-4° | 2.3 mm | 0 cm | |
| 11 Dec. | Patchy rain possible | 10° /4° | 15.2 mm | 0 cm | |
| 12 Dec. | Light snow showers | 8° /1° | 20.9 mm | 0 cm | |
| 13 Dec. |  Partly cloudy | 3° /-2° | 0.2 mm | 0.1 cm | |
| 14 Dec. | Moderate or heavy snow showers | 0° /-3° | 7.1 mm | 3.2 cm | |
| 15 Dec. | Overcast | 2° /-3° | 0 mm | 0 cm | |
| 16 Dec. | Light snow showers | 1° /-3° | 0.1 mm | 0 cm | |
| 17 Dec. | Overcast | 5° /-3° | 6.6 mm | 0 cm | |
| 18 Dec. | Overcast | 7° /1° | 0.3 mm | 0 cm | |
| 19 Dec. |  Moderate rain | 10° /3° | 34.3 mm | 0 cm | |
| 20 Dec. | Moderate rain | 7° /0° | 31.2 mm | 0 cm | |
| 21 Dec. | Light snow | 4° /-1° | 42.3 mm | 8.3 cm | |
| 22 Dec. |  Blizzard | 1° /-4° | 2.1 mm | 0 cm | |
| 23 Dec. | Partly cloudy | -2° /-6° | 0 mm | 0 cm | |
| 24 Dec. | Overcast | -1° /-5° | 0 mm | 0 cm | |
| 25 Dec. | Overcast | 0° /-3° | 0 mm | 0 cm | |
| 26 Dec. | Overcast | 2° /-2° | 4.7 mm | 0 cm | |
| 27 Dec. | Patchy rain possible | 1° /-1° | 0.4 mm | 0 cm | |
| 28 Dec. | Overcast | 0° /-3° | 3.9 mm | 2.7 cm | |
| 29 Dec. | Heavy snow | 1° /-3° | 2.5 mm | 1 cm | |
| 30 Dec. |  Moderate snow | 3° /-1° | 12.7 mm | 2.4 cm | |
| 31 Dec. | Light snow showers | 2° /-2° | 10.3 mm | 0.7 cm | |
| Next | |||||
Important Notice
Our weather forecast for 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 Sydney forecast closer to your planned date for the most up-to-date weather information.
Change Month
Sydney in December - FAQ
What are the expected maximum and minimum temperatures in Sydney during December?
Brace for cold days with temperatures not exceeding 3° and nights that are likely to be freezing. Winter clothing is essential for comfort and safety.
How much rainfall should be expected in Sydney during December?
Significant rainfall exceeding 290 mm is expected in Sydney during December, occurring over more than 11 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Sydney in December 2026?
Sydney experiences an average snowfall of 42.675 cm during December, occurring over 12 days.
What are the typical wind conditions in Sydney during December?
The average wind speed in Sydney during December is 25 km/h, suggesting breezy to windy conditions, depending on your activities.
Sydney snow forecast December 2026
Track daily snowfall levels and discover Sydney’s snowy potential this December ❄️
On average, Sydney sees 12 snowy days during December, with approximately 42.7 cm of total snowfall.
December rainfall patterns in Sydney
Explore the daily rainfall trends and prepare for Sydneys December weather 💧
Typically, Sydney has 11 rainy days in December with a total of 290 mm of rainfall.
Quick links
More Sydney weather pages
You are here
Where is Sydney?Get accurate weather forecasts for Sydney, located at latitude 46.135 and longitude -60.183. Stay updated with localized weather information tailored for Sydney.
Found a mistake?
We appreciate your attention to details. Tell us here.