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Weather in Wellington for December 2025

Your guide to Wellington weather in December - trends and predictions

    Temperatures

  • In general, the average temperature in Wellington at the beginning of December is 23.7 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 29.9 °C by the end of December.

    • Rain 🌧️

  • Wellington experiences moderate rainfall in December, with an average of 9 rainy days and a total precipitation of 24 mm.

    • More

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Average dry days
22
Dry days
Average rainy days
9
Rainy days
Average snowy days
0
Snow days
Average temperatures
27°/13°
Temperatures
Average wind speed
19 km/h
Avg max wind
Average humidity
60 %
Avg humidity

Wellington Weather December

Move between months or click on a day
November
January
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Partly cloudy
26°
2
Sunny
25°
3
Moderate rain at times
23°
4
Partly cloudy
25°
5
Overcast
23°
6
Moderate rain at times
19°
7
Sunny
25°
8
Sunny
25°
9
Sunny
30°
10
Sunny
31°
11
Sunny
29°
12
Patchy rain possible
24°
13
Moderate rain at times
19°
14
Sunny
27°
15
Moderate or heavy rain shower
21°
16
Partly cloudy
21°
17
Overcast
22°
18
Sunny
27°
19
Sunny
30°
20
Sunny
27°
21
Sunny
31°
22
Sunny
29°
23
Sunny
28°
24
Sunny
32°
25
Sunny
37°
26
Sunny
36°
27
Patchy rain possible
27°
28
Sunny
32°
29
Patchy rain possible
28°
30
Patchy rain possible
26°
31
Patchy rain possible
23°

Temperatures trend during December in Wellington

See the weather trend as well as the moving average line

December weather in Wellington day by day

Click on a date for more information
November January
Date Weather Temperatures Rain UV More
1 Dec. Partly cloudy
Partly cloudy
 26° /12° 0 mm 10
2 Dec. Sunny
Sunny
 25° /12° 0.1 mm 10
3 Dec. Moderate rain at times
Moderate rain at times
 23° /14° 4.9 mm 8
4 Dec. Partly cloudy
Partly cloudy
 25° /11° 0 mm 10
5 Dec. Overcast
Overcast
 23° /13° 1.6 mm 8
6 Dec. Moderate rain at times
Moderate rain at times
 19° /12° 4.6 mm 7
7 Dec. Sunny
Sunny
 25° /12° 0 mm 10
8 Dec. Sunny
Sunny
 25° /11° 0 mm 10
9 Dec. Sunny
Sunny
 30° /12° 0 mm 11
10 Dec. Sunny
Sunny
 31° /14° 0 mm 11
11 Dec. Sunny
Sunny
 29° /17° 0 mm 10
12 Dec. Patchy rain possible
Patchy rain possible
 24° /13° 0.7 mm 8
13 Dec. Moderate rain at times
Moderate rain at times
 19° /11° 2.9 mm 7
14 Dec. Sunny
Sunny
 27° /7° 0 mm 10
15 Dec. Moderate or heavy rain shower
Moderate or heavy rain shower
 21° /10° 4.6 mm 8
16 Dec. Partly cloudy
Partly cloudy
 21° /11° 0 mm 9
17 Dec. Overcast
Overcast
 22° /10° 0 mm 8
18 Dec. Sunny
Sunny
 27° /10° 0 mm 10
19 Dec. Sunny
Sunny
 30° /11° 0 mm 11
20 Dec. Sunny
Sunny
 27° /12° 0 mm 10
21 Dec. Sunny
Sunny
 31° /15° 0 mm 11
22 Dec. Sunny
Sunny
 29° /14° 0 mm 10
23 Dec. Sunny
Sunny
 28° /13° 0 mm 10
24 Dec. Sunny
Sunny
 32° /12° 0 mm 11
25 Dec. Sunny
Sunny
 37° /14° 0 mm 12
26 Dec. Sunny
Sunny
 36° /18° 0 mm 12
27 Dec. Patchy rain possible
Patchy rain possible
 27° /16° 1.3 mm 9
28 Dec. Sunny
Sunny
 32° /15° 0 mm 11
29 Dec. Patchy rain possible
Patchy rain possible
 28° /14° 0.2 mm 9
30 Dec. Patchy rain possible
Patchy rain possible
 26° /13° 1.2 mm 9
31 Dec. Patchy rain possible
Patchy rain possible
 23° /11° 1.9 mm 8
Next
Important Notice
Our weather forecast for Wellington 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 Wellington forecast closer to your planned date for the most up-to-date weather information.
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Wellington in December - FAQ

What are the expected maximum and minimum temperatures in Wellington during December?
Enjoy moderate daytime temperatures of up to 27° and cooler nights around 13°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Wellington during December?
In December, Wellington can expect light to moderate rainfall, totaling 24 mm across approximately 9 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in Wellington during December?
The average wind speed in Wellington during December is 19 km/h, suggesting breezy to windy conditions, depending on your activities.

December rainfall patterns in Wellington

Explore the daily rainfall trends and prepare for Wellingtons December weather 💧

UV exposure in Wellington during December

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

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Location coordinates Where is Wellington?

Get accurate weather forecasts for Wellington, located at latitude -33.64 and longitude 19.011. Stay updated with localized weather information tailored for Wellington.

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