Marlborough (Picton)
December
Weather in Marlborough for December 2025
Your guide to Marlborough weather in December - trends and predictions
Wind Warning - See hour by hour.
Until now, December 2025 in Marlborough has been nearly identical to the historical average, with a temperature of 19.3 °C (showing only a slight deviation of -0.5 °C).
Expect cooler weather in the next days in Marlborough with the forecast suggesting a temperature of 19.8 °C, lower than the historical average.
In general, the average temperature in Marlborough at the beginning of December is 19.6 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 19 °C by the end of December.
Marlborough in December brings notable rainfall, with an average of 16 rainy days and a total precipitation of 80.6 mm.
Official Weather Alert ⚠️
Temperatures
Rain 🌧️
15
Dry days
16
Rainy days
0
Snow days
20°/10°
Temperatures
16 km/h
Avg max wind
74 %
Avg humidity
Marlborough Weather December
Move between months or click on a day
What’s the Weather Like in Marlborough This December?
Discover the average temperatures and weather trends across Marlborough’s cities this December.
Temperatures trend during December in Marlborough
See the weather trend as well as the moving average line
December weather in Marlborough day by day
Click on a date for more information
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Dec. |  Patchy rain possible | 18° /8° | 0 mm | 8 | |
| 2 Dec. |  Light drizzle | 18° /8° | 0.8 mm | 8 | |
| 3 Dec. | Light rain shower | 17° /9° | 6.3 mm | 7 | |
| 4 Dec. |  Sunny | 20° /10° | 0.9 mm | 8 | |
| 5 Dec. |  Cloudy | 22° /8° | 0.1 mm | 8 | |
| 6 Dec. | Sunny | 20° /9° | 0 mm | 8 | |
| 7 Dec. |  Partly cloudy | 22° /9° | 0 mm | 9 | |
| 8 Dec. | Light rain shower | 20° /9° | 3.1 mm | 7 | |
| 9 Dec. | Sunny | 22° /8° | 0.1 mm | 9 | |
| 10 Dec. | Light drizzle | 22° /8° | 2 mm | 8 | |
| 11 Dec. |  Overcast | 19° /7° | 0 mm | 7 | |
| 12 Dec. | Patchy rain possible | 19° /7° | 0 mm | 7 | |
| 13 Dec. | Cloudy | 20° /6° | 0 mm | 8 | |
| 14 Dec. | Sunny | 21° /8° | 0 mm | 8 | |
| 15 Dec. | Patchy rain possible | 21° /9° | 0.3 mm | 8 | |
| 16 Dec. | Light rain shower | 20° /9° | 7.3 mm | 7 | |
| 17 Dec. | Light rain shower | 19° /8° | 1.2 mm | 7 | |
| 18 Dec. | Light rain shower | 18° /8° | 0.5 mm | 7 | |
| 19 Dec. | Sunny | 20° /9° | 0.3 mm | 8 | |
| 20 Dec. | Sunny | 18° /8° | 4.2 mm | 9 | |
| 21 Dec. | Sunny | 21° /10° | 3.1 mm | 8 | |
| 22 Dec. | Patchy rain possible | 20° /6° | 0.1 mm | 2.8 | |
| 23 Dec. | Patchy rain possible | 29° /12° | 0.8 mm | 3.1 | |
| 24 Dec. | Sunny | 26° /11° | 0 mm | 3.2 | |
| 25 Dec. | Sunny | 24° /8° | 0 mm | 3.2 | |
| 26 Dec. | Patchy rain possible | 22° /11° | 4 mm | 2 | |
| 27 Dec. | Partly cloudy | 20° /10° | 0 mm | 0 | |
| 28 Dec. | Patchy rain possible | 17° /8° | 0.4 mm | 6 | |
| 29 Dec. | Patchy rain possible | 17° /7° | 0.2 mm | 6 | |
| 30 Dec. | Overcast | 16° /10° | 0 mm | 6 | |
| 31 Dec. | Patchy rain possible | 17° /10° | 0.2 mm | 6 | |
| Next | |||||
Important Notice
Our weather forecast for Marlborough 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 Marlborough forecast closer to your planned date for the most up-to-date weather information.
Change Month
Marlborough in December - FAQ
What are the expected maximum and minimum temperatures in Marlborough during December?
Enjoy moderate daytime temperatures of up to 20° and cooler nights around 10°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Marlborough during December?
Moderate rainfall is anticipated in Marlborough during December, with a total of 80.6 mm spread over approximately 16 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Marlborough during December?
The average wind speed in Marlborough during December is 16 km/h, suggesting breezy to windy conditions, depending on your activities.
December rainfall patterns in Marlborough
Explore the daily rainfall trends and prepare for Marlboroughs December weather 💧
Typically, Marlborough has 16 rainy days in December with a total of 80.6 mm of rainfall.
UV exposure in Marlborough during December
Stay informed about UV levels for safe outdoor activities throughout the month of December ☀️
Provinces in Marlborough
Select a province for an accurate weather forecast
Top locations in Marlborough
Select a location for an accurate weather forecast
More Locations Quick links
More Marlborough weather pages
You are here
Where is Marlborough?Get accurate weather forecasts for Marlborough, located at latitude -41.291 and longitude 174.008. Stay updated with localized weather information tailored for Marlborough.
Found a mistake?
We appreciate your attention to details. Tell us here.