Temperatures in December
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.
Max and Min Temperatures per Day
This chart shows the daily maximum and minimum temperatures in degrees Celsius for Wellington in December. The red line indicates the max temperatures, and the blue line shows the minimums.
Start of December
The month of December starts in Wellington with mild temperatures, averaging around 20°C during the day and nights close to 15°C. You can expect regular precipitation, but there’s also a chance for some sunny days in the first days of the month.
Mid-December
By mid-December, the average daytime temperature rises to around 21°C, with nights close to 15°C. During this part of the month, you can expect regular precipitation, but there’ll also be some sunny days.
End of December
By the end of December, the average daytime temperature in Wellington will be around 21°C, with nights close to 15°C. A shower might show up, but overall the weather will be dry and sunny.
Discover cheap trips to Wellington 
Water temperature
The water temperature at Wellington is 18°C this month. You can swim, but it's a bit on the chilly side.
Precipitation in December
In December, there is an average of 120 mm of precipitation, spread over 10 days. The wind speed is around 5 Bft, mostly coming from the South.
The average precipitation chance is 32% per day this month. Though it seems pretty low, the weather’s variable. Some days have higher and others lower precipitation chances, which lowers the average.
Precipitation Chance
This chart shows the daily precipitation chance (in percentages) in December for Wellington. 0% means it never rained on that day in the past 10 years, and 100% means it rained every day. All values in between represent the average chance of precipitation on that day.
Wellington in December |
London | ||
|---|---|---|---|
 Average Temperature |
20°C | 9°C | |
 High Temp |
22°C | 11°C | |
| Low Temp |
18°C | 8°C | |
 Total Precipitation |
120 mm | 67 mm | |
| Rainy Days |
10 days | 10 days | |
November
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.
Is December a good time to visit Wellington?
After some sun? Then December isn’t the best time to be in Wellington. The temperature is pleasant, but there’s too much chance of rain this month.
Temperature records for Wellington in December
With 27°C, Wellington hit the highest temperature in the last 10 years in December 2021. The lowest daytime temperature in this month was 12°C in 2014. The extreme night temperatures ranged from a low of 6°C to a high of 19°C.
Check out the climate of Wellington for all months and discover the best travel time
Plan your next holiday
Don’t miss the best holiday deals for Wellington and see what our partners have for you.
Daily Temperature in December in Wellington
This chart shows the average daily temperatures, both day and night, for each day in December in Wellington, measured in degrees Celsius. The red line represents the maximum temperatures, while the blue line shows the minimums. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, gives an overview of the average daily temperatures during this month.
Daily Precipitation in December in Wellington
The chart below shows the average daily precipitation in December for Wellington, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are shown at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that rain is more likely. But it’s still an average, so each day can be different. Based on historical weather data for December, you can expect around 10 days of rain in Wellington.
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.
Temperature in December in Wellington Over the Years
This chart shows the average temperature in December in Wellington, measured in degrees Celsius, over the past years.
Total Precipitation in December in Wellington Over the Years
This chart shows the average precipitation in December in Wellington, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail.
Daily climate in December for Wellington
Click on a specific day in December for detailed info on the typical weather on that day in Wellington. Check out the historical temperatures and precipitation over the past 10 years on this day.
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.
Or check out the climate of Wellington for all months at once
