comScore pixel
Shirakabako Royal Hill resort snow
Lat Long: 36.10° N 138.24° E
Ski Japan - Nagano

Shirakabako Royal Hill Snow History

Weather Forecast for Shirakabako Royal Hill at 1600m altitude

Issued: 2 am 30 Apr 2026 (local time)

Forecast update in  hr  min

Is Shirakabako Royal Hill snowsure?

The snowiest week in Shirakabako Royal Hill is week 2 of February. There are typically 3.2 snowy days during this week with 16cm of snowfall. Check out the Shirakabako Royal Hill 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 Shirakabako Royal Hill

MonthSnow amount (week)Snow days (week)
December8cm2.3 days
January12cm2.7 days
February12cm2.7 days
March12cm2.3 days
April4cm0.9 days

Average Snow and Weather Conditions in Shirakabako Royal Hill during April (week 4):

The average snowfall forecast during week 4 of April for Shirakabako Royal Hill is 1 cm. There are typically 0.4 snowy days during this week.Shirakabako Royal Hill prevailing weather and snow conditions during the last week of April at the middle elevation of the ski area at 1600m, based on historical averages over the last 12 years: At this time of year the normal freezing level (2732m) is a long way above the middle elevation of Shirakabako Royal Hill. A day with snowfall occurs on average every other year during the last week of April but in an average year there are two or three days during this particular week each year that are wet. In the years when snow falls at this time of year, forecast model average snowfall for the week is 2cm. Temperatures averaging above freezing both day and night in Shirakabako Royal Hill during week four of April with average maximum temperature 8.0°C and minimum temperature 5.9°C at the middle elevation. Expect the sun to come out on two or three days per week. Generally light winds (average 12km/h) are unlikely to affect lift operations. Based on long term statistics, we don't expect any fresh snow days or any bluebird days at the middle elevation of the ski area of Shirakabako Royal Hill at this time of year.


Snow History: Compare Resorts


Compare Shirakabako Royal Hill with:

Snow Depths

Recorded snow depths for the upper and lower slopes in Shirakabako Royal Hill and (2007 – 2024).

Winter
Summer

Shirakabako Royal Hill


Lower Slopes
Upper Slopes
Fresh Snow

Average Snow Conditions in

Best ski days per week in Shirakabako Royal Hill and (2007 – 2024)

Winter
Summer

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 Shirakabako Royal Hill 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 Shirakabako Royal Hill and (2007 – 2024)

Winter
Summer

Snowfall amount
(bar chart)
Days with significant snowfall.
(>5cm)
Days with significant rainfall.
(>5mm)

The snowiest weeks of the year in Shirakabako Royal Hill 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 Shirakabako Royal Hill and (2007 – 2024)

Winter
Summer

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 Shirakabako Royal Hill 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.