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Southland District (Milford Sound)
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New Zealand weather

Weather in Southland District for December 2025

Your guide to Southland District weather in December - trends and predictions

    Temperatures

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

  • The forecast for the upcoming days in Southland District predicts a temperature of 12.9 °C, which is slightly above the historical average.

  • In general, the average temperature in Southland District at the beginning of December is 18.4 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 10.7 °C by the end of December.

    • Rain 🌧️

  • Southland District in December brings notable rainfall, with an average of 18 rainy days and a total precipitation of 107.8 mm.

Average dry days
13
Dry days
Average rainy days
18
Rainy days
Average snowy days
0
Snow days
Average temperatures
18°/6°
Temperatures
Average wind speed
13 km/h
Avg max wind
Average humidity
72 %
Avg humidity

Southland District Weather December

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

Temperatures trend during December in Southland District

See the weather trend as well as the moving average line

December weather in Southland District day by day

Click on a date for more information
November January
Date Weather Temperatures Rain UV More
1 Dec. Sunny
Sunny
 19° /6° 0.9 mm 8
2 Dec. Cloudy
Cloudy
 16° /6° 2.5 mm 7
3 Dec. Moderate rain
Moderate rain
 16° /6° 6.3 mm 7
4 Dec. Light rain
Light rain
 20° /5° 2.1 mm 8
5 Dec. Patchy rain possible
Patchy rain possible
 19° /6° 2.2 mm 7
6 Dec. Patchy rain possible
Patchy rain possible
 19° /3° 1.6 mm 7
7 Dec. Patchy rain possible
Patchy rain possible
 20° /5° 3.3 mm 8
8 Dec. Moderate rain
Moderate rain
 18° /5° 16.7 mm 7
9 Dec. Light rain
Light rain
 15° /1° 3.8 mm 7
10 Dec. Light drizzle
Light drizzle
 14° /1° 1.5 mm 7
11 Dec. Patchy rain possible
Patchy rain possible
 16° /1° 0.6 mm 7
12 Dec. Light rain shower
Light rain shower
 15° /1° 1.7 mm 7
13 Dec. Patchy rain possible
Patchy rain possible
 20° /3° 1.4 mm 8
14 Dec. Patchy rain possible
Patchy rain possible
 20° /4° 3.2 mm 8
15 Dec. Overcast
Overcast
 17° /3° 14.4 mm 7
16 Dec. Light rain shower
Light rain shower
 12° /3° 7.5 mm 6
17 Dec. Sunny
Sunny
 19° /3° 0 mm 8
18 Dec. Cloudy
Cloudy
 21° /6° 0.4 mm 8
19 Dec. Partly cloudy
Partly cloudy
 15° /5° 7.6 mm 8
20 Dec. Light drizzle
Light drizzle
 14° /5° 1 mm 7
21 Dec. Light rain shower
Light rain shower
 18° /9° 6.4 mm 7
22 Dec. Heavy rain
Heavy rain
 14° /3° 33.9 mm 1.2
23 Dec. Patchy rain possible
Patchy rain possible
 19° /10° 4.2 mm 2.8
24 Dec. Heavy rain
Heavy rain
 3° /1° 63.1 mm 1
25 Dec. Heavy rain
Heavy rain
 9° /5° 46 mm 0.4
26 Dec. Heavy rain
Heavy rain
 8° /0° 23.4 mm 0.9
27 Dec. Moderate rain
Moderate rain
 3° /1° 7.6 mm 0
28 Dec. Patchy rain possible
Patchy rain possible
 9° /1° 0.2 mm 5
29 Dec. Partly cloudy
Partly cloudy
 9° /0° 0 mm 6
30 Dec. Sunny
Sunny
 18° /5° 0 mm 7
31 Dec. Sunny
Sunny
 19° /6° 0 mm 7
Next
Important Notice
Our weather forecast for Southland District 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 Southland District forecast closer to your planned date for the most up-to-date weather information.
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Southland District in December - FAQ

What are the expected maximum and minimum temperatures in Southland District during December?
Enjoy moderate daytime temperatures of up to 18° and cooler nights around 6°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Southland District during December?
Significant rainfall exceeding 107.8 mm is expected in Southland District during December, occurring over more than 18 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Southland District during December?
The average wind speed in Southland District during December is 13 km/h, suggesting breezy to windy conditions, depending on your activities.

December rainfall patterns in Southland District

Explore the daily rainfall trends and prepare for Southland Districts December weather 💧
Typically, Southland District has 18 rainy days in December with a total of 107.8 mm of rainfall.

UV exposure in Southland District during December

Stay informed about UV levels for safe outdoor activities throughout the month of December ☀️
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Milford SoundTe Anau
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Location coordinates Where is Southland District?

Get accurate weather forecasts for Southland District, located at latitude -44.668 and longitude 167.92. Stay updated with localized weather information tailored for Southland District.

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