Mammoth Mountain Snow History

Is Mammoth Mountain snowsure? Check out the Mammoth Mountain 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. Whether you prefer bluebird conditions, powder days in any weather or just reliable snow in guaranteed sub-zero temperatures you can easily find the best week to go.

This week in history: Mammoth Mountain normal weather and snow conditions during the last week of October at the middle elevation of the ski area at 2896m, based on historical averages over the last 10 years: At this time of year the typical freezing level (3752m) is far above the mid altitude of Mammoth Mountain. A day with snowfall happens on average every other year during the last week of October but rainy days are even rarer and you can expect on average one rainy day every 7 years. In the years when snow falls at this time of year, forecast model average snowfall for the week is 4cm. Temperatures averaging above freezing both night and day in Mammoth Mountain during week four of October with average maximum temperature 5.9°C and minimum temperature 3.5°C at the mid altitude. Usually sunny. On average, only two days each week are overcast and the other five days have some sunshine. Mostly light winds (average 13km/h) but there is a 50% chance that the mean wind speed will be greater than more than 30km/h one day.

Mammoth Mountain Snow Conditions

Best ski days per week in Mammoth Mountain (2007 – 2018)

  • Top
    Lift
  • Mid
    Mountain
  • Bottom
    Lift
  • Best ski days:

  • 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)

Mammoth Mountain

Winter
Summer
  • Best ski days:

  • 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 Mammoth Mountain are Bluebird Powder days when it is mostly sunny with light winds following very recent snowfall. 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.

Mammoth Mountain Snowfall

Average precipitation (snow/rain) in Mammoth Mountain (2007 – 2018)

  • Top
    Lift
  • Mid
    Mountain
  • Bottom
    Lift
  • Precipitation:

  • Snowfall amount

    (bar chart)

  • Days with significant snowfall.

    (>5cm)

  • Days with significant rainfall.

    (>5mm)

Mammoth Mountain

Winter
Summer
  • Precipitation:

  • Snowfall amount

    (bar chart)

  • Days with significant snowfall.

    (>5cm)

  • Days with significant rainfall.

    (>5mm)

The snowiest weeks of the year in Mammoth Mountain are shown but also bear in mind the number of days that it typically snows each week if you want regular fresh tracks. 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.

Mammoth Mountain Temperature

Average temperature in Mammoth Mountain (2007 – 2018)

  • Top
    Lift
  • Mid
    Mountain
  • Bottom
    Lift
  • Average temperature:

  • Maximum

  • Minimum

  • Temperatures:

  • Above freezing

  • Below freezing

  • Freezing level:

  • Dashed line

Mammoth Mountain

Winter
Summer
Freezing level
  • 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 Mammoth Mountain 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.

Mammoth Mountain snow history summary by month

Snowfall (per week)*Snowy days (per week)*
Snow in December17cm2.0 days
Snow in January32cm2.2 days
Snow in February24cm2.5 days
Snow in March21cm2.2 days
Snow in April11cm1.6 days

* Averages based on historical nowcast data