Nelson
December
Weather in Nelson for December 2025
Your guide to Nelson weather in December - trends and predictions
In general, the average temperature in Nelson at the beginning of December is 19.4 °C. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 21.6 °C by the end of December.
Nelson in December brings notable rainfall, with an average of 18 rainy days and a total precipitation of 72.2 mm.
Temperatures
Rain 🌧️
13
Dry days
18
Rainy days
0
Snow days
20°/10°
Temperatures
15 km/h
Avg max wind
74 %
Avg humidity
Nelson Weather December
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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  19° | 23 18° | 24  20° | 25 21° | 26 21° | 27 22° | 28 21° |
| 29 22° | 30 22° | 31 22° |
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Temperatures trend during December in Nelson
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 | 6 | |
| 2 Dec. | Light drizzle | 17° /9° | 1.2 mm | 6 | |
| 3 Dec. | Light rain shower | 19° /10° | 5.4 mm | 7 | |
| 4 Dec. | Light rain shower | 21° /12° | 1.3 mm | 7 | |
| 5 Dec. | Cloudy | 21° /10° | 0.2 mm | 7 | |
| 6 Dec. | Cloudy | 19° /8° | 0 mm | 6 | |
| 7 Dec. | Patchy rain possible | 21° /9° | 0 mm | 7 | |
| 8 Dec. | Patchy rain possible | 19° /9° | 3.1 mm | 6 | |
| 9 Dec. | Overcast | 22° /7° | 0.2 mm | 7 | |
| 10 Dec. | Light drizzle | 21° /7° | 2.9 mm | 7 | |
| 11 Dec. | Overcast | 19° /7° | 0 mm | 6 | |
| 12 Dec. | Partly cloudy | 19° /8° | 0 mm | 6 | |
| 13 Dec. | Cloudy | 21° /6° | 0 mm | 7 | |
| 14 Dec. | Sunny | 22° /8° | 0 mm | 7 | |
| 15 Dec. | Partly cloudy | 22° /9° | 0 mm | 7 | |
| 16 Dec. | Light rain shower | 20° /11° | 3.6 mm | 6 | |
| 17 Dec. | Light rain shower | 19° /10° | 1.3 mm | 6 | |
| 18 Dec. | Light rain shower | 18° /8° | 0.7 mm | 6 | |
| 19 Dec. | Sunny | 21° /10° | 0.1 mm | 7 | |
| 20 Dec. | Sunny | 18° /10° | 6.3 mm | 7 | |
| 21 Dec. | Sunny | 21° /10° | 3.1 mm | 7 | |
| 22 Dec. | Heavy rain at times | 19° /10° | 2 mm | 6 | |
| 23 Dec. | Heavy rain at times | 18° /11° | 5.5 mm | 5 | |
| 24 Dec. | Moderate or heavy rain shower | 20° /11° | 3.5 mm | 6 | |
| 25 Dec. | Patchy rain possible | 21° /11° | 1 mm | 6 | |
| 26 Dec. | Partly cloudy | 21° /11° | 1.2 mm | 6 | |
| 27 Dec. | Heavy rain at times | 22° /13° | 2.5 mm | 6 | |
| 28 Dec. | Patchy rain possible | 21° /12° | 0.3 mm | 6 | |
| 29 Dec. | Sunny | 22° /12° | 8 mm | 7 | |
| 30 Dec. | Moderate rain at times | 22° /12° | 15.9 mm | 6 | |
| 31 Dec. | Sunny | 22° /10° | 2.7 mm | 6 | |
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Important Notice
Our weather forecast for Nelson 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 Nelson forecast closer to your planned date for the most up-to-date weather information.
Nelson in December - FAQ
What are the expected maximum and minimum temperatures in Nelson 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 Nelson during December?
Moderate rainfall is anticipated in Nelson during December, with a total of 72.2 mm spread over approximately 18 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Nelson during December?
The average wind speed in Nelson during December is 15 km/h, suggesting breezy to windy conditions, depending on your activities.
December rainfall patterns in Nelson
Explore the daily rainfall trends and prepare for Nelsons December weather 💧
UV exposure in Nelson during December
Stay informed about UV levels for safe outdoor activities throughout the month of December ☀️
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