Weathermondo.com
New ZealandThe weather in December in Wellington
It's pleasantly warm in December in Wellington with an average temperature of 20°C. Temperatures this month range from a low of 18°C to a high of 22°C. At night, you can expect temperatures between 13°C and 17°C.
Looking for sun? December isn’t a good month to be in Wellington. The temperature is nice, but there’s too much chance of rain.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in December for Wellington, New Zealand. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.
Temperature records
With 27°C in 2021, Wellington reached the highest temperature in December over the past 10 years. The lowest daytime temperature in this month was 12°C in 2014. The extreme nighttime temperatures ranged from a lowest recorded value of 6°C to a highest value of 19°C.
Water temperature
The water temperature at Wellington is 18°C this month. You can swim, but it's a bit chilly.
Rainfall amount
In December, there is an average of 120 mm of precipitation, spread over 14 days. The wind speed is around 5 Bft, mostly coming from the South.
Daily weather in December for Wellington
Click on any day in December to get detailed info about the usual weather on that day in Wellington. Check out the historical temperatures and precipitation over the past 10 years on this day.
December weather comparison
| Wellington | New York | |
|---|---|---|
| Average temperature | 20°C | 9°C |
| Max. temperature | 22°C | 12°C |
| Min. temperature | 13°C | -5°C |
| Total precipitation | 120 mm | 133 mm |
| Rainy days | 14 days | 17 days |
Start of December
The month of December starts in Wellington with mild temps, averaging around 20°C during the day and nights around 15°C.
Mid December
By mid-December, daytime temps rise to around 21°C, with nights around 15°C. During this part of the month, you might see regular precipitation, but there will also be some sunny days.
End of December
By the end of December, the average daytime temperature in Wellington is around 21°C, while nighttime temps are about 15°C. A shower might pop up, but overall, the weather will be dry and sunny.
Find affordable trips to Wellington
UV index
The UV index is a maximum of 9 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
Check out the climate of Wellington for all months and discover the best travel time
Temperature charts
These charts show the average temperatures in December in Wellington, New Zealand. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in December in Wellington
Temperature in December in Wellington over the years
Precipitation charts
These charts show the average amount of precipitation in December in Wellington, New Zealand. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Daily Precipitation in December in Wellington
Total precipitation in December in Wellington over the years
Daily UV index in December in Wellington
This chart shows the average daily UV index in December in Wellington, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Weather experiences in December in Wellington
Have you been to Wellington in December?
Share your weather experience in December in Wellington.
Average weather in Wellington by month
Click on a month below to see detailed weather info for Wellington. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.