Is Sierra Nevada snowsure?

The snowiest week in Sierra Nevada is week 1 of March. There are typically 2.7 snowy days during this week with 25cm of snowfall. Check out the Sierra Nevada 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 Sierra Nevada

MonthSnow amount (week)Snow days (week)
December10cm1.3 days
January12cm1.7 days
February14cm2.1 days
March17cm2.6 days
April13cm2.1 days

Average Snow and Weather Conditions in Sierra Nevada during October (week 1):

The average snowfall forecast during week 1 of October for Sierra Nevada is 0 cm. There are typically 0.0 snowy days during this week. Sierra Nevada prevailing weather and snow conditions during the first week of October at the middle elevation of the ski area at 2701m, based on historical averages over the last 14 years: At this time of year the mean freezing level (4031m) is a long way above the mid altitude of Sierra Nevada. Snowfall is highly unlikely in Sierra Nevada at the start of October but on average there are one or two wet days during this week every year. Temperatures averaging above freezing both day and night in Sierra Nevada during week one of October with average maximum temperature 8.7°C and minimum temperature 7.4°C at the mid altitude. Often sunny. Expect sunshine on four or five days. Mostly light winds (average 14km/h) but there is a 50% chance that the mean wind speed will be greater than more than 30km/h one day.

Snow History: Compare Resorts

Compare Sierra Nevada with:

Snow Depths

Recorded snow depths for the upper and lower slopes in Sierra Nevada and (2007 – 2022).


Sierra Nevada

Lower Slopes
Upper Slopes
Fresh Snow

Average Snow Conditions in

Best ski days per week in Sierra Nevada and (2007 – 2022)


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 Sierra Nevada 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 Sierra Nevada and (2007 – 2022)


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

The snowiest weeks of the year in Sierra Nevada 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 Sierra Nevada and (2007 – 2022)


Average temperature
Above freezing
Below freezing
Freezing level
Dashed line

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