Is Yllas snowsure?

The snowiest week in Yllas is week 2 of December. There are typically 4.2 snowy days during this week with 17cm of snowfall. Check out the Yllas 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 Yllas

MonthSnow amount (week)Snow days (week)
December13cm4.1 days
January11cm4.2 days
February14cm4.1 days
March10cm4.0 days
April8cm4.3 days

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

The average snowfall forecast during week 4 of January for Yllas is 13 cm. There are typically 4.1 snowy days during this week. Yllas prevailing weather and snow conditions during the last week of January at the middle elevation of the ski area at 486m, based on historical averages over the last 11 years: At this time of year the mean freezing level (19m) is slightly lower than the middle elevation of Yllas. Regular fresh snowfalls are to be expected in Yllas at the end of January. On average, expect four days with snowfall per week. Forecast model average snowfall for the week is 13cm. Pretty cold temperatures with the average maximum temperature in Yllas in week four of January of just -9.6°C at the middle elevation and minimum temperatures typically falling to -11.4°C. On average, only one or two days with sunshine per week. Mostly light winds (average 15km/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 ideal weather days that follow new snow (bluebird powder days) are in short supply, occuring this week on average one year in 1

Snow History: Compare Resorts

Compare Yllas with:

Snow Depths

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



Lower Slopes
Upper Slopes
Fresh Snow

Average Snow Conditions in

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


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

The snowiest weeks of the year in Yllas 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 Yllas 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 Yllas 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.