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Is Willamette Pass snowsure?

The snowiest week in Willamette Pass is week 3 of December. There are typically 4.1 snowy days during this week with 52cm of snowfall. Check out the Willamette Pass 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 Willamette Pass

MonthSnow amount (week)Snow days (week)
December44cm3.5 days
January32cm3.2 days
February36cm3.7 days
March38cm4.1 days
April25cm3.4 days

Average Snow and Weather Conditions in Willamette Pass during January (week 4):

The average snowfall forecast during week 4 of January for Willamette Pass is 30 cm. There are typically 3.3 snowy days during this week. Willamette Pass expected weather and snow conditions during the last week of January at the middle elevation of the ski area at 1799m, based on historical averages over the last 11 years: At this time of year the expected freezing level (1911m) is similar to the middle elevation of Willamette Pass. Snowy weather is typical. On average, expect three or four days with snowfall per week in Willamette Pass at the end of January but a rainy day during this week occurs about one year in two. Forecast model average snowfall for the week is 30cm. Temperatures should usually stay a few degrees below freezing. Average maximum temperature at the middle elevation in Willamette Pass during week four of January is -0.1°C while the average minimum temperature is just -1.9°C. On average, only one or two days with sunshine per week. Generally light winds (average 13km/h) are unlikely to affect lift operations. Calm, sunny and below freezing perfect weather days that follow fresh snow (bluebird powder days) occur on average one day every second year during this week while powder days that don't coincide with ideal conditions also happen on average one or two days during this week every year.

Snow History: Compare Resorts

Compare Willamette Pass with:

Snow Depths

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


Willamette Pass


Lower Slopes
Upper Slopes
Fresh Snow

Average Snow Conditions in

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


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 Willamette Pass 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 Willamette Pass and (2007 – 2018)


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

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


Average temperature
Above freezing
Below freezing
Freezing level
Dashed line

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