• Icon snowing  color

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 June (week 1):

The average snowfall forecast during week 1 of June for Keystone is 2 cm. There are typically 0.3 snowy days during this week. Keystone expected weather and snow conditions during the first week of June 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 average freezing level (4482m) is a long way above the middle elevation of Keystone. A day with snowfall occurs on average every second year during the first week of June but in a typical year there are also a couple of rainy days during this week of June. In the years when snow falls at this time of year, forecast model average snowfall for the week is 4cm. Usual temperatures are well above freezing both night and day at the middle elevation in Keystone during week one of June with the average afternoon temperature 10.3°C and the minimum temperature 7.7°C. Expect the sun to shine on three or four days per week. Generally light winds (average 13km/h).


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

Snow Conditions

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.


Snowfall

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.


Temperature

Average temperature in 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.