Is Sun Valley snowsure?
The snowiest week in Sun Valley is week 1 of February. There are typically 2.9 snowy days during this week with 19 cm of snowfall. Check out the Sun Valley 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 Sun Valley
| Month | Snow amount (week) | Snow days (week) |
|---|---|---|
| December | 15 cm | 2.9 days |
| January | 12 cm | 2.5 days |
| February | 16 cm | 3.2 days |
| March | 13 cm | 3.1 days |
| April | 7 cm | 2.6 days |
Average Snow and Weather Conditions in Sun Valley during November (week 1):
The average snowfall forecast during week 1 of November for Sun Valley is 6 cm. There are typically 1.8 snowy days during this week. Sun Valley normal weather and snow conditions during the first week of November at the middle elevation of the ski area at 2262m, based on historical averages over the last 18 years: At this time of year the normal freezing level (2617m) is a little above the mid altitude of Sun Valley. Based on long-term averages, there are two days with snowfall per week in Sun Valley at the start of November with a rainy day during this week of November occurs about one year in two. Forecast model average snowfall for the week is 6cm. Temperatures averaging above freezing both day and night in Sun Valley during week one of November with average maximum temperature 2.2°C and minimum temperature 0.1°C at the mid altitude. Expect the sun to shine on three out of seven days. Generally light winds (average 13km/h) are unlikely to affect lift operations. Calm, sunny and below freezing ideal weather days that follow new snow (bluebird powder days) are unusual, occuring this week on average one year in 0
Snow History: Compare Resorts
Sun Valley Snow Depths
Recorded snow depths for the upper and lower slopes in Sun Valley and (2007 – 2026).
The most cherished days on the mountain in Sun Valley 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.
The snowiest weeks of the year in Sun Valley 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.
The highest and lowest temperatures averaged for each week of the year in Sun Valley 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.
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