Mount Washington Snow History

Is Mount Washington snowsure? Check out the Mount Washington 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: Mount Washington prevailing weather and snow conditions during the second week of December at the middle elevation of the ski area at 1338m, based on historical averages over the last 10 years: At this time of year the average freezing level (1134m) is similar to the middle elevation of Mount Washington. Snowy weather is typical. On average, expect three or four days with snowfall per week in Mount Washington in the middle of December but a rainy day during this week happens about one year in two. Forecast model average snowfall for the week is 51cm. Temperatures should generally hold a few degrees below freezing. Average maximum temperature at the middle elevation in Mount Washington during week two of December is -2.0°C while the average minimum temperature is only -2.7°C. On average, only one or two days with sunshine per week. Mostly light winds (average 17km/h) are unlikely to affect lift operations but there is a 50% chance that the mean wind speed will exceed more than 30km/h one day. Sunny, calm and below freezing perfect weather days that follow new snow (bluebird powder days) occur on average one day every second year during this week but calm, cold and sunny days that do not have new snow occur on average two days during this week every year.

Mount Washington Snow Conditions

Best ski days per week in Mount Washington (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)

Mount Washington

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 Mount Washington 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.

Mount Washington Snowfall

Average precipitation (snow/rain) in Mount Washington (2007 – 2018)

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

  • Snowfall amount

    (bar chart)

  • Days with significant snowfall.

    (>5cm)

  • Days with significant rainfall.

    (>5mm)

Mount Washington

Winter
Summer
  • Precipitation:

  • Snowfall amount

    (bar chart)

  • Days with significant snowfall.

    (>5cm)

  • Days with significant rainfall.

    (>5mm)

The snowiest weeks of the year in Mount Washington 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.

Mount Washington Temperature

Average temperature in Mount Washington (2007 – 2018)

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

  • Maximum

  • Minimum

  • Temperatures:

  • Above freezing

  • Below freezing

  • Freezing level:

  • Dashed line

Mount Washington

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 Mount Washington 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.

Mount Washington snow history summary by month

Snowfall (per week)*Snowy days (per week)*
Snow in December56cm4.0 days
Snow in January48cm3.6 days
Snow in February45cm4.0 days
Snow in March56cm5.0 days
Snow in April33cm3.9 days

* Averages based on historical nowcast data