Marlborough (Picton)
December
Weather in Marlborough for December 2025
Your guide to Marlborough weather in December - trends and predictions
In general, the average temperature in Marlborough at the beginning of December is 19.4 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 21 °C by the end of December.
The climate of Marlborough in December is notably wet, with an average of 12 rainy days, and a total of 72.8 mm of precipitation.
Temperatures
Rain 🌧️
19
Dry days
12
Rainy days
0
Snow days
20°/10°
Temperatures
16 km/h
Avg max wind
76 %
Avg humidity
Marlborough in December average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  18° | 2  17° | 3 19° | 4 21° | 5  21° | 6 19° | 7 21° |
| 8 19° | 9  22° | 10 21° | 11 19° | 12  19° | 13 21° | 14  22° |
| 15 22° | 16 20° | 17 19° | 18 18° | 19 21° | 20 18° | 21 21° |
| 22 20° | 23 18° | 24 19° | 25 20° | 26 20° | 27 22° | 28 20° |
| 29 21° | 30 22° | 31 22° |
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Temperatures trend during December in Marlborough
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. | Patchy rain possible | 18° /8° | 0.1 mm | 8 | |
| 2 Dec. | Light drizzle | 17° /9° | 1.2 mm | 7 | |
| 3 Dec. | Light rain shower | 19° /10° | 5.4 mm | 8 | |
| 4 Dec. | Light rain shower | 21° /12° | 1.3 mm | 9 | |
| 5 Dec. | Cloudy | 21° /10° | 0.2 mm | 8 | |
| 6 Dec. | Cloudy | 19° /8° | 0 mm | 8 | |
| 7 Dec. | Patchy rain possible | 21° /9° | 0 mm | 9 | |
| 8 Dec. | Patchy rain possible | 19° /9° | 3.1 mm | 7 | |
| 9 Dec. | Overcast | 22° /7° | 0.2 mm | 9 | |
| 10 Dec. | Light drizzle | 21° /7° | 2.9 mm | 9 | |
| 11 Dec. | Overcast | 19° /7° | 0 mm | 8 | |
| 12 Dec. | Partly cloudy | 19° /8° | 0 mm | 8 | |
| 13 Dec. | Cloudy | 21° /6° | 0 mm | 9 | |
| 14 Dec. | Sunny | 22° /8° | 0 mm | 9 | |
| 15 Dec. | Partly cloudy | 22° /9° | 0 mm | 9 | |
| 16 Dec. | Light rain shower | 20° /11° | 3.6 mm | 8 | |
| 17 Dec. | Light rain shower | 19° /10° | 1.3 mm | 8 | |
| 18 Dec. | Light rain shower | 18° /8° | 0.7 mm | 8 | |
| 19 Dec. | Sunny | 21° /10° | 0.1 mm | 9 | |
| 20 Dec. | Sunny | 18° /10° | 6.3 mm | 8 | |
| 21 Dec. | Sunny | 21° /10° | 3.1 mm | 8 | |
| 22 Dec. | Partly cloudy | 20° /11° | 0.9 mm | 8 | |
| 23 Dec. | Light rain | 18° /12° | 4.7 mm | 8 | |
| 24 Dec. | Light rain shower | 19° /11° | 4.2 mm | 8 | |
| 25 Dec. | Patchy rain possible | 20° /11° | 1 mm | 8 | |
| 26 Dec. | Patchy rain possible | 20° /11° | 1.8 mm | 8 | |
| 27 Dec. | Patchy rain possible | 22° /12° | 0.2 mm | 8 | |
| 28 Dec. | Partly cloudy | 20° /12° | 0 mm | 8 | |
| 29 Dec. | Light rain shower | 21° /12° | 12 mm | 8 | |
| 30 Dec. | Patchy rain possible | 22° /11° | 22.1 mm | 8 | |
| 31 Dec. | Light rain shower | 22° /10° | 4.1 mm | 8 | |
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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.
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 72.8 mm spread over approximately 12 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 💧
UV exposure in Marlborough during December
Stay informed about UV levels for safe outdoor activities throughout the month of December ☀️
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