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Is Keystone snowsure?

The snowiest week in Keystone is week 3 of April. There are typically 4.1 snowy days during this week with 36cm of snowfall. Check out the Keystone 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 Keystone

MonthSnow amount (week)Snow days (week)
December16cm3.2 days
January14cm3.2 days
February21cm4.1 days
March22cm3.6 days
April25cm3.8 days

Average Snow and Weather Conditions in Keystone during October (week 3):

The average snowfall forecast during week 3 of October for Keystone is 3 cm. There are typically 1.0 snowy days during this week. Keystone typical weather and snow conditions during the third week of October at the middle elevation of the ski area at 3240m, based on historical averages over the last 10 years: At this time of year the usual freezing level (3655m) is slightly higher than the mid altitude of Keystone. Expect just one day with snowfall per week in Keystone in the middle of October with a 50% chance that one day will be rainy during this week of October. Forecast model average snowfall for the week is 3cm. Temperatures averaging above freezing both day and night in Keystone during week three of October with average maximum temperature 3.8°C and minimum temperature 0.1°C at the mid altitude. Often sunny. Expect sunshine on four or five days. Mainly light winds (average 12km/h) but there is a 50% chance that the mean wind speed will exceed more than 30km/h one day.


Snow History: Compare Resorts


Compare Keystone with:

Snow Depths

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

Winter
Summer

Keystone

Chart


Lower Slopes
Upper Slopes
Fresh Snow

Average Snow Conditions in

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

Winter
Summer

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
(>30km/h)

The most cherished days on the mountain in Keystone 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 Keystone and (2007 – 2018)

Winter
Summer

Snowfall amount
(bar chart)
Days with significant snowfall.
(>5cm)
Days with significant rainfall.
(>5mm)

The snowiest weeks of the year in Keystone 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 Keystone and (2007 – 2018)

Winter
Summer

Average temperature
Maximum
Minimum
Temperatures
Above freezing
Below freezing
Freezing level
Dashed line

The highest and lowest temperatures averaged for each week of the year in Keystone 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.