Is Aoraki-Mt Cook snowsure?

The snowiest week in Aoraki-Mt Cook is week 2 of May. There are typically 3.7 snowy days during this week with 89cm of snowfall. Check out the Aoraki-Mt Cook Snow History graphs below.Select any week of the year to see the typical Ski Conditions, Snowfall Amount and Temperature based on nowcast weather data over the last 11 years.

Average monthly snow in Aoraki-Mt Cook

MonthSnow amount (week)Snow days (week)
June51cm3.2 days
July52cm3.3 days
August49cm3.5 days
September48cm3.8 days

Average Snow and Weather Conditions in Aoraki-Mt Cook during December (week 1):

The average snowfall forecast during week 1 of December for Aoraki-Mt Cook is 25 cm. There are typically 3.2 snowy days during this week. Aoraki-Mt Cook expected weather and snow conditions during the first week of December at the middle elevation of the ascent of the mountain at 3297m, based on historical averages over the last 10 years: At this time of year the mean freezing level (2801m) is a little below the mid altitude of Aoraki-Mt Cook. Based on long-term averages, there are three days with snowfall per week in Aoraki-Mt Cook at the start of December. Forecast model average snowfall for the week is 25cm. Temperatures should generally hold a few degrees below freezing. Average maximum temperature at the mid altitude in Aoraki-Mt Cook during week one of December is -2.5°C while the average minimum temperature is just -3.4°C. Usually there are four days per week when the sun comes out at this time of year. Sometimes windy. Light winds (average 30km/h) the majority of the time but the historical norm is for the mean wind to reach 30km/h two or three days in this week.

Snow History: Compare Resorts

Compare Aoraki-Mt Cook with:

Snow Depths

Recorded snow depths for the upper and lower slopes in Aoraki-Mt Cook and (2007 – 2018).


Aoraki-Mt Cook

Lower Slopes
Upper Slopes
Fresh Snow

Average Snow Conditions in

Best ski days per week in Aoraki-Mt Cook and (2007 – 2018)


Bluebird Powder Day
(Fresh snow, mostly sunny, light wind)
Powder Day
(Fresh snow, limited sun, any wind)
Bluebird Day
(Average snow, mostly sunny, light wind)
Very windy days

The most cherished days on the mountain in Aoraki-Mt Cook are Bluebird Powder days when it is mostly sunny with light winds following very recent snowfall. Poorer weather conditions may prevail on Powder days when the visibility can be limited but the snow is significantly deep and fresh for keen powder-hounds. Bluebird days can suit many skiers that aren’t necessarily hunting powder but want to enjoy the snowy mountains in sunnier conditions and light winds.

Average Snowfall in

Graph showing the average precipitation (snow/rain) in Aoraki-Mt Cook and (2007 – 2018)


Snowfall amount
(bar chart)
Days with significant snowfall.
Days with significant rainfall.

The snowiest weeks of the year in Aoraki-Mt Cook are shown but also bear in mind the number of days that it typically snows each week if you want regular fresh tracks. The risk of a rainy day is shown but be sure to switch between elevations to see if lower lifts are rain affected or higher lifts remain snowy despite any rain further down the mountain.

Average Temperature in

Graph showing the average temperature and freezing level at Aoraki-Mt Cook and (2007 – 2018)


Average temperature
Above freezing
Below freezing
Freezing level
Dashed line

The highest and lowest temperatures averaged for each week of the year in Aoraki-Mt Cook are shown. Check out the risk of freze-thaw conditions prevailing at different elevations for any given week. We also show the extremes of temperature (blue/red dots) that reveal the chance of unusually warm or cold conditions.