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Australia weather

Weather in Geelong for December 2025

Your guide to Geelong weather in December - trends and predictions

    Temperatures

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

  • The forecast for the next days in Geelong predicts temperatures to be around 23 °C, close to the historical average.

  • In general, the average temperature in Geelong at the beginning of December is 23.7 °C. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 21.6 °C by the end of December.

    • Rain 🌧️

  • Geelong experiences moderate rainfall in December, with an average of 10 rainy days and a total precipitation of 60.2 mm.

    • More

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

Average dry days
21
Dry days
Average rainy days
10
Rainy days
Average snowy days
0
Snow days
Average temperatures
24°/12°
Temperatures
Average wind speed
23 km/h
Avg max wind
Average humidity
65 %
Avg humidity

Geelong Weather December

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

Temperatures trend during December in Geelong

See the weather trend as well as the moving average line

December weather in Geelong day by day

Click on a date for more information
November January
Date Weather Temperatures Rain UV More
1 Dec. Light rain shower
Light rain shower
 16° /11° 2.6 mm 6
2 Dec. Light rain
Light rain
 22° /10° 3.6 mm 7
3 Dec. Patchy rain possible
Patchy rain possible
 24° /10° 1.4 mm 8
4 Dec. Partly cloudy
Partly cloudy
 28° /12° 0 mm 9
5 Dec. Sunny
Sunny
 28° /11° 0 mm 9
6 Dec. Sunny
Sunny
 24° /12° 0.5 mm 8
7 Dec. Overcast
Overcast
 24° /10° 0.4 mm 7
8 Dec. Light rain shower
Light rain shower
 27° /12° 0.3 mm 8
9 Dec. Light rain shower
Light rain shower
 20° /10° 7.9 mm 7
10 Dec. Patchy rain possible
Patchy rain possible
 20° /10° 0.1 mm 7
11 Dec. Light drizzle
Light drizzle
 20° /10° 1 mm 6
12 Dec. Light rain shower
Light rain shower
 28° /12° 2.3 mm 8
13 Dec. Thundery outbreaks possible
Thundery outbreaks possible
 28° /15° 0.8 mm 8
14 Dec. Patchy rain possible
Patchy rain possible
 22° /10° 0.2 mm 7
15 Dec. Sunny
Sunny
 18° /8° 0 mm 3.3
16 Dec. Partly cloudy
Partly cloudy
 20° /11° 0 mm 3.5
17 Dec. Sunny
Sunny
 30° /10° 0 mm 3.7
18 Dec. Sunny
Sunny
 31° /15° 0 mm 3.8
19 Dec. Partly cloudy
Partly cloudy
 29° /17° 0 mm 3
20 Dec. Sunny
Sunny
 28° /14° 0 mm 9
21 Dec. Patchy rain possible
Patchy rain possible
 21° /11° 0.1 mm 7
22 Dec. Sunny
Sunny
 21° /8° 0 mm 7
23 Dec. Patchy rain possible
Patchy rain possible
 22° /10° 0 mm 7
24 Dec. Sunny
Sunny
 24° /9° 0 mm 8
25 Dec. Sunny
Sunny
 23° /12° 0 mm 8
26 Dec. Sunny
Sunny
 20° /9° 0 mm 7
27 Dec. Partly cloudy
Partly cloudy
 18° /11° 0 mm 7
28 Dec. Sunny
Sunny
 21° /12° 0 mm 8
29 Dec. Overcast
Overcast
 21° /10° 0 mm 6
30 Dec. Overcast
Overcast
 24° /12° 0.1 mm 7
31 Dec. Moderate rain at times
Moderate rain at times
 24° /12° 0.2 mm 7
Next
Important Notice
Our weather forecast for Geelong 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 Geelong forecast closer to your planned date for the most up-to-date weather information.
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Geelong in December - FAQ

What are the expected maximum and minimum temperatures in Geelong during December?
Enjoy moderate daytime temperatures of up to 24° and cooler nights around 12°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Geelong during December?
Moderate rainfall is anticipated in Geelong during December, with a total of 60.2 mm spread over approximately 10 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Geelong during December?
The average wind speed in Geelong during December is 23 km/h, suggesting breezy to windy conditions, depending on your activities.

December rainfall patterns in Geelong

Explore the daily rainfall trends and prepare for Geelongs December weather 💧
Typically, Geelong has 10 rainy days in December with a total of 60.2 mm of rainfall.

UV exposure in Geelong during December

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

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Get accurate weather forecasts for Geelong, located at latitude -38.147 and longitude 144.361. Stay updated with localized weather information tailored for Geelong.

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