Temperatures in December
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.
Max and Min Temperatures per Day
This chart shows the daily maximum and minimum temperatures in degrees Celsius for Aoraki/Mount Cook 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 Aoraki/Mount Cook with cool temperatures, averaging around 16°C during the day and nights close to 6°C. Plenty of days with a chance of precipitation.
Mid-December
By mid-December, the average daytime temperature rises to around 17°C, with nights close to 7°C. The chance of precipitation is high during this period.
End of December
By the end of December, the average daytime temperature in Aoraki/Mount Cook will be around 18°C, with nights close to 8°C. There’s regular precipitation, but with a bit of luck, you’ll also get some dry and sunny days.
Precipitation in December
In December, there is an average of 212 mm of precipitation, spread over 17 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.
Across the whole month, the average precipitation chance is 54% per day.
Precipitation Chance
This chart shows the daily precipitation chance (in percentages) in December for Aoraki/Mount Cook. 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.
Aoraki/Mount Cook in December |
London | ||
|---|---|---|---|
 Average Temperature |
17°C | 9°C | |
 High Temp |
19°C | 11°C | |
| Low Temp |
15°C | 8°C | |
 Total Precipitation |
212 mm | 67 mm | |
| Rainy Days |
17 days | 10 days | |
 Total Snowfall |
2,0 cm | 1,2 cm | |
| Snowy Days |
1 day | 1 day | |
November
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.
Is December a good time to visit Aoraki/Mount Cook?
Looking for sun and warm weather? Then December isn’t the best time to be in Aoraki/Mount Cook. The temperature is too low this month for a warm stay.
Temperature records for Aoraki/Mount Cook in December
With 29°C, Aoraki/Mount Cook hit the highest temperature in the last 10 years in December 2023. The lowest daytime temperature in this month was 4°C in 2015. The extreme night temperatures ranged from a low of -5°C to a high of 18°C.
Check out the climate of Aoraki/Mount Cook for all months and discover the best travel time
Daily Temperature in December in Aoraki/Mount Cook
This chart shows the average daily temperatures, both day and night, for each day in December in Aoraki/Mount Cook, 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 Aoraki/Mount Cook
The chart below shows the average daily precipitation in December for Aoraki/Mount Cook, 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 17 days of rain in Aoraki/Mount Cook.
Daily Snowfall in December in Aoraki/Mount Cook
This chart shows the average daily snowfall in December in Aoraki/Mount Cook, measured in centimetres. The bottom of the chart shows the days of the month. The data is based on historical measurements and gives an idea of the average snowfall in December.
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.
Temperature in December in Aoraki/Mount Cook Over the Years
This chart shows the average temperature in December in Aoraki/Mount Cook, measured in degrees Celsius, over the past years.
Total Precipitation in December in Aoraki/Mount Cook Over the Years
This chart shows the average precipitation in December in Aoraki/Mount Cook, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail.
Snowfall in December in Aoraki/Mount Cook per year
This chart shows the average snowfall in December in Aoraki/Mount Cook, measured in centimetres, over the past years.
Daily climate in December for Aoraki/Mount Cook
Click on a specific day in December for detailed info on the typical weather on that day in Aoraki/Mount Cook. Check out the historical temperatures and precipitation over the past 10 years on this day.
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.
Or check out the climate of Aoraki/Mount Cook for all months at once
