Northern Beaches (Mona Vale)
December
Weather in Northern Beaches for December 2026
Your guide to Northern Beaches weather in December - trends and predictions
In general, the average temperature in Northern Beaches at the beginning of December is 25.1 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 23.2 °C by the end of December.
Northern Beaches experiences moderate rainfall in December, with an average of 9 rainy days and a total precipitation of 59.8 mm.
Is December a good time to visit Northern Beaches? check out the best time to travel to Northern Beaches page.
✨ Is December a good time to visit Northern Beaches? – Ask the AI Weatherman
Temperatures
Rain 🌧️
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22
Dry days
9
Rainy days
0
Snow days
24°/18°
Temperatures
26 km/h
Avg max wind
72 %
Avg humidity
Northern Beaches Weather December
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Temperatures trend during December in Northern Beaches
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December weather in Northern Beaches day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Dec. |  Light rain | 24° /17° | 3.1 mm | 8 | |
| 2 Dec. | Light rain | 23° /16° | 4.8 mm | 9 | |
| 3 Dec. |  Patchy rain possible | 24° /17° | 1 mm | 9 | |
| 4 Dec. | Patchy rain possible | 23° /18° | 0.4 mm | 9 | |
| 5 Dec. |  Sunny | 27° /18° | 0 mm | 10 | |
| 6 Dec. | Sunny | 28° /20° | 0.5 mm | 10 | |
| 7 Dec. | Patchy rain possible | 27° /18° | 1.9 mm | 10 | |
| 8 Dec. | Patchy rain possible | 24° /18° | 0.4 mm | 8 | |
| 9 Dec. | Patchy rain possible | 28° /19° | 0.4 mm | 9 | |
| 10 Dec. | Patchy rain possible | 23° /20° | 2 mm | 8 | |
| 11 Dec. | Light rain | 22° /19° | 5.9 mm | 8 | |
| 12 Dec. | Light rain | 23° /19° | 5 mm | 9 | |
| 13 Dec. | Patchy rain possible | 25° /18° | 0.7 mm | 9 | |
| 14 Dec. |  Partly cloudy | 29° /20° | 0.7 mm | 10 | |
| 15 Dec. | Patchy rain possible | 23° /19° | 0.4 mm | 8 | |
| 16 Dec. | Patchy rain possible | 25° /19° | 0.5 mm | 9 | |
| 17 Dec. | Patchy rain possible | 25° /19° | 0.5 mm | 9 | |
| 18 Dec. | Patchy rain possible | 24° /19° | 0.8 mm | 9 | |
| 19 Dec. | Patchy rain possible | 28° /20° | 0.8 mm | 9 | |
| 20 Dec. | Light rain | 23° /18° | 8.9 mm | 10 | |
| 21 Dec. | Light rain | 26° /18° | 3.2 mm | 10 | |
| 22 Dec. | Patchy rain possible | 24° /19° | 0.2 mm | 9 | |
| 23 Dec. | Patchy rain possible | 26° /18° | 0.1 mm | 9 | |
| 24 Dec. | Light rain | 23° /17° | 3.7 mm | 10 | |
| 25 Dec. |  Moderate or heavy rain shower | 23° /17° | 7.1 mm | 7 | |
| 26 Dec. |  Patchy light rain with thunder | 22° /17° | 3.5 mm | 7 | |
| 27 Dec. | Patchy rain possible | 26° /17° | 0.6 mm | 10 | |
| 28 Dec. | Patchy rain possible | 24° /17° | 0.4 mm | 9 | |
| 29 Dec. | Patchy rain possible | 23° /17° | 0.7 mm | 10 | |
| 30 Dec. | Patchy rain possible | 23° /17° | 1.4 mm | 9 | |
| 31 Dec. | Patchy rain possible | 22° /18° | 0.4 mm | 10 | |
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Important Notice
Our weather forecast for Northern Beaches 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 Northern Beaches forecast closer to your planned date for the most up-to-date weather information.
Change Month
Northern Beaches in December - FAQ
What are the expected maximum and minimum temperatures in Northern Beaches during December?
During December, expect a variety of temperatures with highs around 24° and lows near 18°, suitable for diverse activities and preferences.
How much rainfall should be expected in Northern Beaches during December?
Moderate rainfall is anticipated in Northern Beaches during December, with a total of 59.8 mm spread over approximately 9 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Northern Beaches during December?
The average wind speed in Northern Beaches during December is 26 km/h, suggesting breezy to windy conditions, depending on your activities.
December rainfall patterns in Northern Beaches
Explore the daily rainfall trends and prepare for Northern Beachess December weather 💧
Typically, Northern Beaches has 9 rainy days in December with a total of 59.8 mm of rainfall.
UV exposure in Northern Beaches during December
Stay informed about UV levels for safe outdoor activities throughout the month of December ☀️
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