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Weather in Invercargill for December 2025

Your guide to Invercargill weather in December - trends and predictions

    Temperatures

  • Until now, December 2025 in Invercargill has been nearly identical to the historical average, with a temperature of 16.4 °C (showing only a slight deviation of 0.1 °C).

  • The forecast for the next days in Invercargill predicts temperatures to be around 16 °C, close to the historical average.

  • In general, the average temperature in Invercargill at the beginning of December is 16.4 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 17.7 °C by the end of December.

    • Rain 🌧️

  • Invercargill experiences heavy rainfall in December, with over 20 rainy days and an average total precipitation 73.1 mm.

Average dry days
9
Dry days
Average rainy days
22
Rainy days
Average snowy days
0
Snow days
Average temperatures
16°/9°
Temperatures
Average wind speed
23 km/h
Avg max wind
Average humidity
75 %
Avg humidity

Invercargill Weather December

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

Temperatures trend during December in Invercargill

See the weather trend as well as the moving average line

December weather in Invercargill day by day

Click on a date for more information
November January
Date Weather Temperatures Rain UV More
1 Dec. Partly cloudy
Partly cloudy
 14° /7° 1.9 mm 6
2 Dec. Patchy rain possible
Patchy rain possible
 15° /6° 0.8 mm 6
3 Dec. Light drizzle
Light drizzle
 16° /10° 1.6 mm 6
4 Dec. Patchy rain possible
Patchy rain possible
 18° /8° 0.7 mm 6
5 Dec. Overcast
Overcast
 17° /7° 0.3 mm 6
6 Dec. Patchy rain possible
Patchy rain possible
 17° /8° 2 mm 6
7 Dec. Light rain shower
Light rain shower
 18° /12° 1.9 mm 6
8 Dec. Light drizzle
Light drizzle
 18° /10° 6.5 mm 6
9 Dec. Patchy rain possible
Patchy rain possible
 18° /10° 2.9 mm 6
10 Dec. Light rain shower
Light rain shower
 14° /9° 2.8 mm 5
11 Dec. Light drizzle
Light drizzle
 16° /6° 3.6 mm 6
12 Dec. Light rain shower
Light rain shower
 14° /8° 4.7 mm 5
13 Dec. Light rain shower
Light rain shower
 16° /9° 1.7 mm 6
14 Dec. Patchy rain possible
Patchy rain possible
 17° /9° 0.2 mm 6
15 Dec. Patchy rain possible
Patchy rain possible
 19° /8° 0.2 mm 7
16 Dec. Patchy rain possible
Patchy rain possible
 13° /7° 4.3 mm 1.8
17 Dec. Patchy rain possible
Patchy rain possible
 15° /9° 0.6 mm 2.3
18 Dec. Patchy rain possible
Patchy rain possible
 20° /10° 0.7 mm 1.1
19 Dec. Moderate rain
Moderate rain
 13° /6° 11.7 mm 1.9
20 Dec. Patchy rain possible
Patchy rain possible
 9° /7° 4.2 mm 0
21 Dec. Patchy rain possible
Patchy rain possible
 12° /7° 0.7 mm 5
22 Dec. Sunny
Sunny
 16° /5° 0 mm 7
23 Dec. Patchy rain possible
Patchy rain possible
 15° /8° 1.5 mm 6
24 Dec. Patchy rain possible
Patchy rain possible
 15° /12° 2.6 mm 6
25 Dec. Sunny
Sunny
 15° /10° 0.1 mm 7
26 Dec. Sunny
Sunny
 17° /8° 0 mm 7
27 Dec. Sunny
Sunny
 19° /9° 0 mm 7
28 Dec. Sunny
Sunny
 18° /11° 0 mm 7
29 Dec. Sunny
Sunny
 22° /9° 0 mm 8
30 Dec. Partly cloudy
Partly cloudy
 17° /9° 5.4 mm 5
31 Dec. Sunny
Sunny
 16° /8° 2 mm 5
Next
Important Notice
Our weather forecast for Invercargill 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 Invercargill forecast closer to your planned date for the most up-to-date weather information.
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Invercargill in December - FAQ

What are the expected maximum and minimum temperatures in Invercargill during December?
Enjoy moderate daytime temperatures of up to 16° and cooler nights around 9°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Invercargill during December?
Moderate rainfall is anticipated in Invercargill during December, with a total of 73.1 mm spread over approximately 22 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Invercargill during December?
The average wind speed in Invercargill during December is 23 km/h, suggesting breezy to windy conditions, depending on your activities.

December rainfall patterns in Invercargill

Explore the daily rainfall trends and prepare for Invercargills December weather 💧
Typically, Invercargill has 22 rainy days in December with a total of 73.1 mm of rainfall.

UV exposure in Invercargill during December

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

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Location coordinates Where is Invercargill?

Get accurate weather forecasts for Invercargill, located at latitude -46.4 and longitude 168.35. Stay updated with localized weather information tailored for Invercargill.

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