Wellington (Sale)
December
Weather in Wellington for December 2025
Your guide to Wellington weather in December - trends and predictions
Until now, December 2025 in Wellington is slightly cooler than the historical average by -1.7 °C.
The forecast for the upcoming days in Wellington predicts a temperature of 29.3 °C, which is slightly above the historical average.
In general, the average temperature in Wellington at the beginning of December is 25.6 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 29.6 °C by the end of December.
The climate of Wellington in December is notably wet, with an average of 13 rainy days, and a total of 62.5 mm of precipitation.
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Temperatures
Rain 🌧️
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18
Dry days
13
Rainy days
0
Snow days
25°/12°
Temperatures
17 km/h
Avg max wind
68 %
Avg humidity
Wellington Weather December
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Temperatures trend during December in Wellington
See the weather trend as well as the moving average line
December weather in Wellington day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Dec. |  Light rain shower | 21° /12° | 5.5 mm | 8 | |
| 2 Dec. |  Moderate or heavy rain shower | 22° /11° | 10.5 mm | 8 | |
| 3 Dec. | Light rain shower | 26° /11° | 2 mm | 9 | |
| 4 Dec. |  Partly cloudy | 28° /11° | 0 mm | 10 | |
| 5 Dec. | Patchy rain possible | 28° /11° | 0 mm | 10 | |
| 6 Dec. |  Sunny | 28° /12° | 0.7 mm | 10 | |
| 7 Dec. |  Overcast | 26° /11° | 0.8 mm | 9 | |
| 8 Dec. | Patchy rain possible | 27° /10° | 0.1 mm | 9 | |
| 9 Dec. | Light rain shower | 24° /10° | 1.1 mm | 9 | |
| 10 Dec. | Patchy rain possible | 23° /10° | 0 mm | 8 | |
| 11 Dec. |  Light drizzle | 23° /10° | 0.4 mm | 9 | |
| 12 Dec. | Patchy rain possible | 28° /12° | 0.6 mm | 10 | |
| 13 Dec. | Patchy light rain | 32° /14° | 2.4 mm | 10 | |
| 14 Dec. | Patchy rain possible | 25° /12° | 0.2 mm | 9 | |
| 15 Dec. | Partly cloudy | 24° /10° | 0 mm | 9 | |
| 16 Dec. | Partly cloudy | 29° /10° | 0 mm | 10 | |
| 17 Dec. | Sunny | 32° /8° | 0 mm | 3.6 | |
| 18 Dec. | Sunny | 38° /15° | 0 mm | 3.7 | |
| 19 Dec. | Partly cloudy | 31° /15° | 0 mm | 3 | |
| 20 Dec. | Patchy rain possible | 28° /12° | 0.1 mm | 3.4 | |
| 21 Dec. | Patchy rain possible | 28° /12° | 2.6 mm | 1.9 | |
| 22 Dec. | Sunny | 24° /12° | 0 mm | 8 | |
| 23 Dec. | Patchy rain possible | 22° /9° | 0.2 mm | 6 | |
| 24 Dec. | Sunny | 25° /6° | 0 mm | 8 | |
| 25 Dec. | Partly cloudy | 21° /11° | 0 mm | 8 | |
| 26 Dec. | Sunny | 22° /8° | 0 mm | 8 | |
| 27 Dec. | Sunny | 25° /6° | 0 mm | 8 | |
| 28 Dec. | Sunny | 37° /11° | 0 mm | 9 | |
| 29 Dec. | Patchy rain possible | 39° /16° | 0.2 mm | 9 | |
| 30 Dec. | Patchy rain possible | 38° /19° | 0.2 mm | 9 | |
| 31 Dec. | Sunny | 25° /9° | 0 mm | 10 | |
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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 25° and cooler nights around 12°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Wellington during December?
Moderate rainfall is anticipated in Wellington during December, with a total of 62.5 mm spread over approximately 13 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Wellington during December?
The average wind speed in Wellington during December is 17 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 💧
Typically, Wellington has 13 rainy days in December with a total of 62.5 mm of rainfall.
UV exposure in Wellington during December
Stay informed about UV levels for safe outdoor activities throughout the month of December ☀️
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