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Is Aconcagua snowsure?

The snowiest week in Aconcagua is week 3 of August. There are typically 2.4 snowy days during this week with 24cm of snowfall. Check out the Aconcagua 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 Aconcagua

MonthSnow amount (week)Snow days (week)
June16cm1.9 days
July11cm2.0 days
August17cm2.5 days
September9cm2.2 days

Average Snow and Weather Conditions in Aconcagua during July (week 1):

The average snowfall forecast during week 1 of July for Aconcagua is 7 cm. There are typically 2.4 snowy days during this week. Aconcagua expected weather and snow conditions during the first week of July at the middle elevation of the ascent of the mountain at 5893m, based on historical averages over the last 10 years: At this time of year the mean freezing level (2742m) is a long way below the mid altitude of Aconcagua. On average, expect two or three days with snowfall per week in Aconcagua at the start of July. Forecast model average snowfall for the week is 7cm. Get ready for very low temperatures with the average maximum temperature in Aconcagua in week one of July of just -20.7°C at the mid altitude and minimum temperatures typically falling to -22.8°C. Expect the sun to shine on three out of seven days. Prevailingly very windy most of the time (average 56km/h) with the mean wind below 30km/h just one day per week. Below-freezing, calm and sunny ideal weather days that follow fresh snow (bluebird powder days) occur on average one day every second year during this week but clear, calm and cold days that do not have new snow occur on average four days during this week each year.

Snow History: Compare Resorts

Compare Aconcagua with:

Snow Depths

Recorded snow depths for the upper and lower slopes in Aconcagua and (2007 – 2018).




Lower Slopes
Upper Slopes
Fresh Snow

Average Snow Conditions in

Best ski days per week in Aconcagua 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 Aconcagua 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 Aconcagua and (2007 – 2018)


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

The snowiest weeks of the year in Aconcagua 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 Aconcagua 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 Aconcagua 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.