Hornsby Shire (Hornsby)
December
Weather in Hornsby Shire for December 2026
Your guide to Hornsby Shire weather in December - trends and predictions
In general, the average temperature in Hornsby Shire at the beginning of December is 27.6 °C. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 25.4 °C by the end of December.
Hornsby Shire experiences moderate rainfall in December, with an average of 8 rainy days and a total precipitation of 52.1 mm.
Is December a good time to visit Hornsby Shire? check out the best time to travel to Hornsby Shire page.
✨ Is December a good time to visit Hornsby Shire? – Ask the AI Weatherman
Temperatures
Rain 🌧️
More
23
Dry days
8
Rainy days
0
Snow days
27°/18°
Temperatures
22 km/h
Avg max wind
66 %
Avg humidity
Hornsby Shire Weather December
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Temperatures trend during December in Hornsby Shire
See the weather trend as well as the moving average line
December weather in Hornsby Shire day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Dec. |  Patchy rain possible | 25° /16° | 2.4 mm | 9 | |
| 2 Dec. |  Light rain | 25° /16° | 4 mm | 9 | |
| 3 Dec. | Patchy rain possible | 26° /17° | 1.2 mm | 9 | |
| 4 Dec. | Patchy rain possible | 25° /17° | 0.2 mm | 9 | |
| 5 Dec. |  Sunny | 31° /18° | 0 mm | 11 | |
| 6 Dec. | Sunny | 31° /20° | 0.9 mm | 10 | |
| 7 Dec. | Sunny | 29° /18° | 0.9 mm | 10 | |
| 8 Dec. | Patchy rain possible | 29° /18° | 0.3 mm | 9 | |
| 9 Dec. | Patchy rain possible | 31° /19° | 0.3 mm | 10 | |
| 10 Dec. | Patchy rain possible | 26° /19° | 2.2 mm | 9 | |
| 11 Dec. | Light rain | 23° /19° | 4.9 mm | 8 | |
| 12 Dec. | Light rain | 25° /18° | 4.4 mm | 9 | |
| 13 Dec. | Patchy rain possible | 29° /18° | 1 mm | 10 | |
| 14 Dec. | Sunny | 32° /20° | 0.5 mm | 11 | |
| 15 Dec. |  Partly cloudy | 25° /19° | 0.3 mm | 9 | |
| 16 Dec. | Patchy rain possible | 27° /18° | 0.4 mm | 9 | |
| 17 Dec. | Patchy rain possible | 28° /19° | 0.6 mm | 9 | |
| 18 Dec. | Patchy rain possible | 28° /19° | 0.5 mm | 10 | |
| 19 Dec. | Light rain | 32° /20° | 2.5 mm | 10 | |
| 20 Dec. | Light rain | 26° /18° | 7.4 mm | 10 | |
| 21 Dec. | Light rain shower | 28° /17° | 2.2 mm | 10 | |
| 22 Dec. | Patchy rain possible | 27° /18° | 0.1 mm | 9 | |
| 23 Dec. | Patchy rain possible | 28° /18° | 0.1 mm | 9 | |
| 24 Dec. | Light rain | 25° /16° | 3.6 mm | 10 | |
| 25 Dec. | Light rain | 25° /16° | 6.1 mm | 7 | |
| 26 Dec. |  Patchy light rain with thunder | 24° /16° | 3.2 mm | 8 | |
| 27 Dec. | Patchy light drizzle | 29° /17° | 0.4 mm | 11 | |
| 28 Dec. | Patchy rain possible | 26° /16° | 0.1 mm | 10 | |
| 29 Dec. | Patchy light drizzle | 25° /16° | 0.5 mm | 10 | |
| 30 Dec. | Patchy rain possible | 25° /16° | 0.8 mm | 10 | |
| 31 Dec. | Patchy rain possible | 23° /17° | 0.4 mm | 10 | |
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Important Notice
Our weather forecast for Hornsby Shire 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 Hornsby Shire forecast closer to your planned date for the most up-to-date weather information.
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Hornsby Shire in December - FAQ
What are the expected maximum and minimum temperatures in Hornsby Shire during December?
During December, expect a variety of temperatures with highs around 27° and lows near 18°, suitable for diverse activities and preferences.
How much rainfall should be expected in Hornsby Shire during December?
Moderate rainfall is anticipated in Hornsby Shire during December, with a total of 52.1 mm spread over approximately 8 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Hornsby Shire during December?
The average wind speed in Hornsby Shire during December is 22 km/h, suggesting breezy to windy conditions, depending on your activities.
December rainfall patterns in Hornsby Shire
Explore the daily rainfall trends and prepare for Hornsby Shires December weather 💧
Typically, Hornsby Shire has 8 rainy days in December with a total of 52.1 mm of rainfall.
UV exposure in Hornsby Shire during December
Stay informed about UV levels for safe outdoor activities throughout the month of December ☀️
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