Newcastle
December
Weather in Newcastle for December 2025
Your guide to Newcastle weather in December - trends and predictions
Until now, December 2025 in Newcastle is cooler than usual, with temperatures averaging 27.6 °C, this is -3.2 °C below the typical seasonal average.
Expect cooler weather in the next days in Newcastle with the forecast suggesting a temperature of 28.6 °C, lower than the historical average.
In general, the average temperature in Newcastle at the beginning of December is 30.9 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 28.9 °C by the end of December.
Newcastle experiences heavy rainfall in December, with over 20 rainy days and an average total precipitation 149.4 mm.
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Temperatures
Rain 🌧️
More
10
Dry days
21
Rainy days
0
Snow days
30°/14°
Temperatures
17 km/h
Avg max wind
64 %
Avg humidity
Newcastle Weather December
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Temperatures trend during December in Newcastle
See the weather trend as well as the moving average line
December weather in Newcastle day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Dec. |  Sunny | 31° /10° | 0.3 mm | 10 | |
| 2 Dec. |  Partly cloudy | 34° /12° | 4.8 mm | 11 | |
| 3 Dec. |  Cloudy | 32° /11° | 1.5 mm | 10 | |
| 4 Dec. |  Patchy rain possible | 32° /13° | 0.2 mm | 10 | |
| 5 Dec. |  Patchy light drizzle | 32° /14° | 2.5 mm | 10 | |
| 6 Dec. |  Moderate rain | 28° /13° | 7.8 mm | 10 | |
| 7 Dec. |  Moderate rain at times | 27° /13° | 13 mm | 9 | |
| 8 Dec. | Partly cloudy | 33° /12° | 1.6 mm | 11 | |
| 9 Dec. | Partly cloudy | 34° /15° | 1.4 mm | 11 | |
| 10 Dec. | Moderate or heavy rain shower | 26° /12° | 11.6 mm | 9 | |
| 11 Dec. | Patchy rain possible | 29° /13° | 7.7 mm | 9 | |
| 12 Dec. | Sunny | 33° /13° | 0.2 mm | 11 | |
| 13 Dec. | Moderate rain at times | 29° /14° | 3.5 mm | 9 | |
| 14 Dec. |  Thundery outbreaks possible | 27° /14° | 0.6 mm | 9 | |
| 15 Dec. | Sunny | 31° /12° | 0 mm | 3.3 | |
| 16 Dec. | Patchy rain possible | 33° /15° | 0.3 mm | 3.2 | |
| 17 Dec. | Moderate rain | 31° /16° | 11.7 mm | 2.2 | |
| 18 Dec. | Patchy rain possible | 19° /16° | 4.7 mm | 0.7 | |
| 19 Dec. | Patchy rain possible | 30° /15° | 0.3 mm | 5 | |
| 20 Dec. | Patchy rain possible | 30° /14° | 1.5 mm | 8 | |
| 21 Dec. | Moderate rain | 30° /14° | 5 mm | 7 | |
| 22 Dec. | Moderate rain | 28° /15° | 8.1 mm | 7 | |
| 23 Dec. | Patchy rain possible | 31° /15° | 1.8 mm | 8 | |
| 24 Dec. | Patchy rain possible | 25° /16° | 0.6 mm | 7 | |
| 25 Dec. | Moderate rain | 27° /16° | 12.9 mm | 7 | |
| 26 Dec. | Moderate rain | 26° /16° | 5.6 mm | 7 | |
| 27 Dec. | Patchy rain possible | 29° /16° | 1.7 mm | 8 | |
| 28 Dec. | Moderate rain | 30° /15° | 6.9 mm | 8 | |
| 29 Dec. | Patchy light drizzle | 28° /13° | 3.8 mm | 9 | |
| 30 Dec. | Patchy rain possible | 30° /12° | 0.1 mm | 10 | |
| 31 Dec. | Patchy rain possible | 32° /15° | 5.1 mm | 10 | |
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Important Notice
Our weather forecast for Newcastle 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 Newcastle forecast closer to your planned date for the most up-to-date weather information.
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Newcastle in December - FAQ
What are the expected maximum and minimum temperatures in Newcastle during December?
Expect warm days with temperatures around 30°, cooling to mild conditions of 14° after sunset. Perfect for those who enjoy warm weather.
How much rainfall should be expected in Newcastle during December?
Significant rainfall exceeding 149.4 mm is expected in Newcastle during December, occurring over more than 21 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Newcastle during December?
The average wind speed in Newcastle during December is 17 km/h, suggesting breezy to windy conditions, depending on your activities.
December rainfall patterns in Newcastle
Explore the daily rainfall trends and prepare for Newcastles December weather 💧
Typically, Newcastle has 21 rainy days in December with a total of 149.4 mm of rainfall.
UV exposure in Newcastle during December
Stay informed about UV levels for safe outdoor activities throughout the month of December ☀️
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