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Australia weather

Weather in Happy Valley for December 2025

Your guide to Happy Valley weather in December - trends and predictions

    Temperatures

  • Until now, December 2025 in Happy Valley is slightly cooler than the historical average by -0.8 °C.

  • The forecast for the next days in Happy Valley predicts temperatures to be around 24 °C, close to the historical average.

  • In general, the average temperature in Happy Valley at the beginning of December is 23.1 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 22.4 °C by the end of December.

    • Rain 🌧️

  • With an average of 4 rainy days, Happy Valley experiences minimal rainfall in December.

    • More

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
27
Dry days
Average rainy days
4
Rainy days
Average snowy days
0
Snow days
Average temperatures
22°/14°
Temperatures
Average wind speed
25 km/h
Avg max wind
Average humidity
61 %
Avg humidity

Happy Valley Weather December

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

Temperatures trend during December in Happy Valley

See the weather trend as well as the moving average line

December weather in Happy Valley 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
 19° /12° 0.1 mm 8
2 Dec. Patchy rain possible
Patchy rain possible
 21° /12° 0.3 mm 8
3 Dec. Partly cloudy
Partly cloudy
 22° /12° 0.1 mm 8
4 Dec. Sunny
Sunny
 26° /14° 0 mm 10
5 Dec. Partly cloudy
Partly cloudy
 26° /16° 0 mm 10
6 Dec. Patchy rain possible
Patchy rain possible
 25° /16° 0.2 mm 9
7 Dec. Partly cloudy
Partly cloudy
 23° /12° 0 mm 9
8 Dec. Patchy rain possible
Patchy rain possible
 24° /13° 0 mm 9
9 Dec. Moderate rain
Moderate rain
 21° /13° 10.3 mm 8
10 Dec. Light drizzle
Light drizzle
 22° /12° 0.9 mm 9
11 Dec. Sunny
Sunny
 24° /13° 0.6 mm 9
12 Dec. Light rain shower
Light rain shower
 24° /16° 0.9 mm 9
13 Dec. Sunny
Sunny
 23° /14° 0.2 mm 9
14 Dec. Light rain shower
Light rain shower
 22° /14° 0.4 mm 8
15 Dec. Sunny
Sunny
 20° /11° 0 mm 3.4
16 Dec. Sunny
Sunny
 24° /11° 0 mm 3.6
17 Dec. Sunny
Sunny
 29° /17° 0 mm 3.9
18 Dec. Sunny
Sunny
 33° /21° 0 mm 3.9
19 Dec. Partly cloudy
Partly cloudy
 31° /20° 0 mm 3.6
20 Dec. Sunny
Sunny
 24° /17° 0 mm 9
21 Dec. Sunny
Sunny
 20° /13° 0 mm 8
22 Dec. Sunny
Sunny
 19° /12° 0 mm 8
23 Dec. Sunny
Sunny
 19° /13° 0.1 mm 8
24 Dec. Sunny
Sunny
 22° /11° 0 mm 8
25 Dec. Sunny
Sunny
 23° /14° 0 mm 8
26 Dec. Sunny
Sunny
 22° /12° 0 mm 8
27 Dec. Sunny
Sunny
 22° /12° 0 mm 8
28 Dec. Sunny
Sunny
 25° /12° 0 mm 8
29 Dec. Sunny
Sunny
 21° /13° 0 mm 9
30 Dec. Cloudy
Cloudy
 21° /13° 0 mm 8
31 Dec. Partly cloudy
Partly cloudy
 23° /13° 0 mm 9
Next
Important Notice
Our weather forecast for Happy Valley 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 Happy Valley forecast closer to your planned date for the most up-to-date weather information.
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Happy Valley in December - FAQ

What are the expected maximum and minimum temperatures in Happy Valley during December?
Enjoy moderate daytime temperatures of up to 22° and cooler nights around 14°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Happy Valley during December?
In December, Happy Valley can expect light to moderate rainfall, totaling 24.3 mm across approximately 4 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in Happy Valley during December?
The average wind speed in Happy Valley during December is 25 km/h, suggesting breezy to windy conditions, depending on your activities.

December rainfall patterns in Happy Valley

Explore the daily rainfall trends and prepare for Happy Valleys December weather 💧
Typically, Happy Valley has 4 rainy days in December with a total of 24.3 mm of rainfall.

UV exposure in Happy Valley during December

Stay informed about UV levels for safe outdoor activities throughout the month of December ☀️

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Location coordinates Where is Happy Valley?

Get accurate weather forecasts for Happy Valley, located at latitude -35.083 and longitude 138.533. Stay updated with localized weather information tailored for Happy Valley.

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