Is Big Sky snowsure?
The snowiest week in Big Sky is week 2 of April. There are typically 4.2 snowy days during this week with 27 cm of snowfall. Check out the Big Sky 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 Big Sky
| Month | Snow amount (week) | Snow days (week) |
|---|---|---|
| December | 16 cm | 3.4 days |
| January | 14 cm | 3.2 days |
| February | 22 cm | 4.4 days |
| March | 20 cm | 4.1 days |
| April | 25 cm | 4.2 days |
Average Snow and Weather Conditions in Big Sky during April (week 3):
The average snowfall forecast during week 3 of April for Big Sky is 23 cm. There are typically 4.0 snowy days during this week.Big Sky prevailing weather and snow conditions during the third week of April at the middle elevation of the ski area at 2736m, based on historical averages over the last 17 years: At this time of year the usual freezing level (2131m) is a long way below the mid altitude of Big Sky. Regular fresh snowfalls are to be expected in Big Sky in the middle of April. On average, expect four days with snowfall per week but rain is also known at this time of year: you can expect on average one rainy day every 5 years during this week of April. Forecast model average snowfall for the week is 23cm. Temperatures should mostly stay a few degrees below freezing. Average maximum temperature at the mid altitude in Big Sky during week three of April is -3.4°C while the average minimum temperature is just -4.8°C. On average, a couple of days per week will have some sunshine. Mainly light winds (average 18km/h) are unlikely to affect lift operations but there is a 50% chance that the mean wind speed will be greater than more than 30km/h one day. Sunny, calm and below freezing perfect weather days that follow fresh snowfall (bluebird powder days) happen on average one day during this week while fresh snow days that don't coincide with ideal weather conditions also occur on average one or two days during this week each year.
Snow History: Compare Resorts
Big Sky Snow Depths
Recorded snow depths for the upper and lower slopes in Big Sky and (2007 – 2024).
The most cherished days on the mountain in Big Sky 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 Big Sky 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 Big Sky 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.





