Weathermondo.com
New ZealandThe weather in December in Aoraki/Mount Cook
It's cool to moderate in December in Aoraki/Mount Cook with an average temperature of 17°C. Temperatures this month range from a low of 15°C to a high of 19°C. At night, you can expect temperatures between 4°C and 9°C.
Looking for sun and warm weather? December isn’t a good month to be in Aoraki/Mount Cook. The temperatures are too low for a warm stay this month.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in December for Aoraki/Mount Cook, 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 29°C in 2023, Aoraki/Mount Cook reached the highest temperature in December over the past 10 years. The lowest daytime temperature in this month was 4°C in 2015. The extreme nighttime temperatures ranged from a lowest recorded value of -5°C to a highest value of 18°C.
Precipitation and snowfall
In December, there is an average of 212 mm of precipitation, spread over 22 days. Of the total precipitation, about 2,0 cm falls as snow in December. The wind speed is around 4 Bft, mostly coming from the West.
Daily weather in December for Aoraki/Mount Cook
Click on any day in December to get detailed info about the usual weather on that day in Aoraki/Mount Cook. Check out the historical temperatures and precipitation over the past 10 years on this day.
December weather comparison
| Aoraki/Mount Cook | New York | |
|---|---|---|
| Average temperature | 17°C | 9°C |
| Max. temperature | 19°C | 12°C |
| Min. temperature | 4°C | -5°C |
| Total precipitation | 212 mm | 133 mm |
| Rainy days | 22 days | 17 days |
| Total snowfall | 2,0 cm | 9,7 cm |
| Snowy days | 1 day | 3 days |
Start of December
The month of December starts in Aoraki/Mount Cook with cool temps, averaging around 16°C during the day and nights around 6°C.
Mid December
By mid-December, daytime temps rise to around 17°C, with nights around 7°C. There’s a high chance of precipitation during this time.
End of December
By the end of December, the average daytime temperature in Aoraki/Mount Cook is around 18°C, while nighttime temps are about 8°C. Expect regular precipitation, but if you’re lucky, you’ll also get some dry and sunny days.
UV index
The UV index is a maximum of 10 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 Aoraki/Mount Cook for all months and discover the best travel time
Temperature charts
These charts show the average temperatures in December in Aoraki/Mount Cook, 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 Aoraki/Mount Cook
Temperature in December in Aoraki/Mount Cook over the years
Precipitation charts
These charts show the average amount of precipitation in December in Aoraki/Mount Cook, 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 Aoraki/Mount Cook
Total precipitation in December in Aoraki/Mount Cook over the years
Daily Snowfall in December in Aoraki/Mount Cook
Snowfall in December in Aoraki/Mount Cook per year
Daily UV index in December in Aoraki/Mount Cook
This chart shows the average daily UV index in December in Aoraki/Mount Cook, 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 Aoraki/Mount Cook
Have you been to Aoraki/Mount Cook in December?
Share your weather experience in December in Aoraki/Mount Cook.
Average weather in Aoraki/Mount Cook by month
Click on a month below to see detailed weather info for Aoraki/Mount Cook. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.