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Blue Mountains Municipality (Katoomba)
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Weather in Blue Mountains Municipality for December 2026

Your guide to Blue Mountains Municipality weather in December - trends and predictions

    Rain 🌧️

  • Blue Mountains Municipality experiences moderate rainfall in December, with an average of 10 rainy days and a total precipitation of 34.3 mm.

    • More

  • Is December a good time to visit Blue Mountains Municipality? check out the best time to travel to Blue Mountains Municipality page.

  • ✨ Is December a good time to visit Blue Mountains Municipality? – Ask the AI Weatherman

Average dry days
21
Dry days
Average rainy days
10
Rainy days
Average snowy days
0
Snow days
Average temperatures
29°/12°
Temperatures
Average wind speed
14 km/h
Avg max wind
Average humidity
59 %
Avg humidity

Blue Mountains Municipality Weather December

Move between months or click on a day
November
January
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Patchy rain possible
23°
2
Sunny
27°
3
Patchy rain possible
27°
4
Patchy rain possible
29°
5
Patchy rain possible
33°
6
Patchy rain possible
35°
7
Patchy rain possible
28°
8
Sunny
31°
9
Patchy rain possible
32°
10
Light rain
31°
11
Light rain
21°
12
Light rain
24°
13
Sunny
31°
14
Partly cloudy
31°
15
Patchy rain possible
30°
16
Patchy rain possible
25°
17
Overcast
33°
18
Patchy rain possible
29°
19
Patchy rain possible
31°
20
Sunny
32°
21
Sunny
35°
22
Partly cloudy
31°
23
Sunny
27°
24
Sunny
29°
25
Sunny
30°
26
Sunny
24°
27
Patchy rain possible
29°
28
Sunny
26°
29
Sunny
30°
30
Patchy rain possible
30°
31
Patchy light drizzle
30°

Temperatures trend during December in Blue Mountains Municipality

See the weather trend as well as the moving average line

December weather in Blue Mountains Municipality day by day

Click on a date for more information
November January
Date Weather Temperatures Rain UV More
1 Dec. Patchy rain possible
Patchy rain possible
 23° /9° 0.6 mm 8
2 Dec. Sunny
Sunny
 27° /7° 0 mm 10
3 Dec. Patchy rain possible
Patchy rain possible
 27° /10° 1.1 mm 10
4 Dec. Patchy rain possible
Patchy rain possible
 29° /14° 1.5 mm 10
5 Dec. Patchy rain possible
Patchy rain possible
 33° /15° 1.1 mm 10
6 Dec. Patchy rain possible
Patchy rain possible
 35° /18° 0.7 mm 11
7 Dec. Patchy rain possible
Patchy rain possible
 28° /13° 1.7 mm 9
8 Dec. Sunny
Sunny
 31° /12° 0.1 mm 11
9 Dec. Patchy rain possible
Patchy rain possible
 32° /14° 0.2 mm 11
10 Dec. Light rain
Light rain
 31° /13° 2.8 mm 10
11 Dec. Light rain
Light rain
 21° /13° 7.4 mm 8
12 Dec. Light rain
Light rain
 24° /12° 5.8 mm 9
13 Dec. Sunny
Sunny
 31° /13° 0.6 mm 11
14 Dec. Partly cloudy
Partly cloudy
 31° /15° 0.5 mm 11
15 Dec. Patchy rain possible
Patchy rain possible
 30° /11° 0.9 mm 10
16 Dec. Patchy rain possible
Patchy rain possible
 25° /12° 1.2 mm 9
17 Dec. Overcast
Overcast
 33° /13° 0.7 mm 11
18 Dec. Patchy rain possible
Patchy rain possible
 29° /14° 1.5 mm 10
19 Dec. Patchy rain possible
Patchy rain possible
 31° /14° 1.9 mm 10
20 Dec. Sunny
Sunny
 32° /15° 0 mm 12
21 Dec. Sunny
Sunny
 35° /17° 0.1 mm 12
22 Dec. Partly cloudy
Partly cloudy
 31° /14° 0.3 mm 12
23 Dec. Sunny
Sunny
 27° /12° 0.1 mm 11
24 Dec. Sunny
Sunny
 29° /9° 0 mm 12
25 Dec. Sunny
Sunny
 30° /9° 0.1 mm 12
26 Dec. Sunny
Sunny
 24° /8° 0.2 mm 8
27 Dec. Patchy rain possible
Patchy rain possible
 29° /10° 2 mm 12
28 Dec. Sunny
Sunny
 26° /9° 0.1 mm 12
29 Dec. Sunny
Sunny
 30° /8° 0 mm 12
30 Dec. Patchy rain possible
Patchy rain possible
 30° /11° 0.5 mm 11
31 Dec. Patchy light drizzle
Patchy light drizzle
 30° /11° 0.9 mm 12
Next
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 12°. 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 34.3 mm across approximately 10 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 💧
Typically, Blue Mountains Municipality has 10 rainy days in December with a total of 34.3 mm of rainfall.

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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Katoomba
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