Blue Mountains Municipality (Katoomba)
December
Weather in Blue Mountains Municipality for December 2025
Your guide to Blue Mountains Municipality weather in December - trends and predictions
In general, the average temperature in Blue Mountains Municipality at the beginning of December is 27.6 °C. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 30.1 °C by the end of December.
Blue Mountains Municipality in December brings notable rainfall, with an average of 17 rainy days and a total precipitation of 29.8 mm.
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Temperatures
Rain 🌧️
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14
Dry days
17
Rainy days
0
Snow days
29°/13°
Temperatures
14 km/h
Avg max wind
60 %
Avg humidity
Blue Mountains Municipality Weather December
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Temperatures trend during December in Blue Mountains Municipality
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December weather in Blue Mountains Municipality day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Dec. |  Patchy rain possible | 26° /15° | 1 mm | 9 | |
| 2 Dec. |  Sunny | 30° /13° | 0 mm | 11 | |
| 3 Dec. |  Moderate rain at times | 23° /17° | 2.3 mm | 8 | |
| 4 Dec. | Moderate rain at times | 25° /15° | 3.1 mm | 9 | |
| 5 Dec. | Moderate or heavy rain shower | 29° /15° | 2.2 mm | 9 | |
| 6 Dec. |  Heavy rain at times | 32° /17° | 1.4 mm | 10 | |
| 7 Dec. | Moderate or heavy rain shower | 28° /19° | 3.2 mm | 9 | |
| 8 Dec. | Sunny | 30° /16° | 0.1 mm | 11 | |
| 9 Dec. | Patchy rain possible | 27° /14° | 0.3 mm | 9 | |
| 10 Dec. | Patchy rain possible | 29° /13° | 0.6 mm | 9 | |
| 11 Dec. |  Overcast | 26° /14° | 1.4 mm | 9 | |
| 12 Dec. | Sunny | 30° /10° | 0 mm | 11 | |
| 13 Dec. | Sunny | 31° /14° | 0 mm | 11 | |
| 14 Dec. |  Partly cloudy | 32° /16° | 0 mm | 11 | |
| 15 Dec. | Moderate rain at times | 33° /15° | 0.9 mm | 10 | |
| 16 Dec. | Partly cloudy | 34° /17° | 0 mm | 11 | |
| 17 Dec. | Overcast | 34° /16° | 1.4 mm | 10 | |
| 18 Dec. | Moderate rain at times | 21° /11° | 3.1 mm | 8 | |
| 19 Dec. | Patchy rain possible | 23° /10° | 1.5 mm | 8 | |
| 20 Dec. | Sunny | 29° /10° | 0 mm | 10 | |
| 21 Dec. | Sunny | 32° /13° | 0.1 mm | 11 | |
| 22 Dec. | Partly cloudy | 31° /14° | 0.5 mm | 11 | |
| 23 Dec. | Sunny | 22° /10° | 0 mm | 9 | |
| 24 Dec. | Sunny | 26° /7° | 0 mm | 10 | |
| 25 Dec. | Sunny | 31° /9° | 0 mm | 11 | |
| 26 Dec. | Sunny | 32° /12° | 0 mm | 11 | |
| 27 Dec. | Moderate or heavy rain shower | 32° /15° | 3.9 mm | 10 | |
| 28 Dec. | Sunny | 27° /12° | 0.1 mm | 10 | |
| 29 Dec. | Sunny | 31° /9° | 0 mm | 11 | |
| 30 Dec. | Patchy rain possible | 28° /13° | 1 mm | 9 | |
| 31 Dec. |  Patchy light drizzle | 30° /12° | 1.7 mm | 10 | |
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Important Notice
Our weather forecast for Blue Mountains Municipality 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 Blue Mountains Municipality forecast closer to your planned date for the most up-to-date weather information.
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Blue Mountains Municipality in December - FAQ
What are the expected maximum and minimum temperatures in Blue Mountains Municipality during December?
Enjoy moderate daytime temperatures of up to 29° and cooler nights around 13°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Blue Mountains Municipality during December?
In December, Blue Mountains Municipality can expect light to moderate rainfall, totaling 29.8 mm across approximately 17 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in Blue Mountains Municipality during December?
The average wind speed in Blue Mountains Municipality during December is 14 km/h, suggesting breezy to windy conditions, depending on your activities.
December rainfall patterns in Blue Mountains Municipality
Explore the daily rainfall trends and prepare for Blue Mountains Municipalitys December weather 💧
UV exposure in Blue Mountains Municipality during December
Stay informed about UV levels for safe outdoor activities throughout the month of December ☀️
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