Southland (Milford Sound)
December
Weather in Southland for December 2025
Your guide to Southland weather in December - trends and predictions
In general, the average temperature in Southland at the beginning of December is 19.9 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 18.9 °C by the end of December.
Southland in December brings notable rainfall, with an average of 20 rainy days and a total precipitation of 115.2 mm.
Temperatures
Rain 🌧️
11
Dry days
20
Rainy days
0
Snow days
18°/6°
Temperatures
13 km/h
Avg max wind
73 %
Avg humidity
Southland in December average weather
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Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
---|---|---|---|---|---|---|
1 23° | 2 20° | 3 18° | 4 21° | 5 18° | 6 19° | 7 20° |
8 18° | 9 11° | 10 8° | 11 15° | 12 13° | 13 17° | 14 18° |
15 18° | 16 14° | 17 20° | 18 23° | 19 20° | 20 16° | 21 18° |
22 18° | 23 19° | 24 23° | 25 17° | 26 17° | 27 22° | 28 25° |
29 17° | 30 17° | 31 17° |
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Temperatures trend during December in Southland
See the weather trend as well as the moving average line
December weather day by day
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Date | Weather | Temperatures | Rain | UV | More |
---|---|---|---|---|---|
1 Dec. | Sunny | 23° /7° | 0 mm | 9 | |
2 Dec. | Cloudy | 20° /8° | 0 mm | 8 | |
3 Dec. | Moderate rain | 18° /8° | 11.2 mm | 7 | |
4 Dec. | Light rain | 21° /7° | 4.3 mm | 8 | |
5 Dec. | Patchy rain possible | 18° /7° | 0 mm | 7 | |
6 Dec. | Patchy rain possible | 19° /6° | 0.3 mm | 7 | |
7 Dec. | Patchy rain possible | 20° /5° | 0.1 mm | 8 | |
8 Dec. | Moderate rain | 18° /7° | 11.8 mm | 7 | |
9 Dec. | Light rain | 11° /2° | 7.6 mm | 6 | |
10 Dec. | Light drizzle | 8° /0° | 2.3 mm | 5 | |
11 Dec. | Patchy rain possible | 15° /2° | 1.1 mm | 7 | |
12 Dec. | Light rain shower | 13° /2° | 3.5 mm | 6 | |
13 Dec. | Patchy rain possible | 17° /4° | 2.8 mm | 7 | |
14 Dec. | Patchy rain possible | 18° /4° | 6.4 mm | 7 | |
15 Dec. | Overcast | 18° /1° | 0 mm | 7 | |
16 Dec. | Light rain shower | 14° /3° | 4.4 mm | 6 | |
17 Dec. | Sunny | 20° /2° | 0 mm | 9 | |
18 Dec. | Cloudy | 23° /7° | 0 mm | 8 | |
19 Dec. | Partly cloudy | 20° /9° | 0.2 mm | 9 | |
20 Dec. | Light drizzle | 16° /9° | 1.2 mm | 7 | |
21 Dec. | Light rain shower | 18° /9° | 6.4 mm | 7 | |
22 Dec. | Light rain shower | 18° /8° | 1.6 mm | 7 | |
23 Dec. | Patchy rain possible | 19° /7° | 0.6 mm | 7 | |
24 Dec. | Patchy rain possible | 23° /6° | 0.1 mm | 8 | |
25 Dec. | Light rain shower | 17° /10° | 12.6 mm | 7 | |
26 Dec. | Patchy rain possible | 17° /8° | 1.6 mm | 7 | |
27 Dec. | Sunny | 22° /5° | 0 mm | 9 | |
28 Dec. | Patchy rain possible | 25° /10° | 0.1 mm | 9 | |
29 Dec. | Light rain shower | 17° /8° | 10.1 mm | 7 | |
30 Dec. | Patchy rain possible | 17° /7° | 6.9 mm | 7 | |
31 Dec. | Light rain shower | 17° /5° | 10.7 mm | 7 | |
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Important Notice
Our weather forecast for Southland 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 forecast closer to your planned date for the most up-to-date weather information.
Southland in December - FAQ
What are the expected maximum and minimum temperatures in Southland 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 during December?
Significant rainfall exceeding 115.2 mm is expected in Southland during December, occurring over more than 20 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Southland during December?
The average wind speed in Southland during December is 13 km/h, suggesting breezy to windy conditions, depending on your activities.
December rainfall patterns in Southland
Explore the daily rainfall trends and prepare for Southlands December weather 💧
UV exposure in Southland during December
Stay informed about UV levels for safe outdoor activities throughout the month of December ☀️
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