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snowy resort
Lat Long: 36.42° N 138.42° E
Ski Japan - Nagano

Yunomaru Snow History

Weather Forecast for Yunomaru at 1838m altitude

Issued: 8 pm 30 Apr 2026 (local time)

Forecast update in  hr  min

Next snow in Yunomaru: 0.2cm on Fri 1st  (after 9 PM)

Is Yunomaru snowsure?

The snowiest week in Yunomaru is week 3 of January. There are typically 3.9 snowy days during this week with 23cm of snowfall. Check out the Yunomaru 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 Yunomaru

MonthSnow amount (week)Snow days (week)
December14cm3.3 days
January17cm3.8 days
February15cm3.8 days
March16cm2.8 days
April6cm1.4 days

Average Snow and Weather Conditions in Yunomaru during May (week 1):

The average snowfall forecast during week 1 of May for Yunomaru is 1 cm. There are typically 0.6 snowy days during this week.Yunomaru typical weather and snow conditions during the first week of May at the middle elevation of the ski area at 1838m, based on historical averages over the last 11 years: At this time of year the mean freezing level (2964m) is far above the mid altitude of Yunomaru. A day with snowfall happens on average every other year during the first week of May but in a typical year there are also a couple of rainy days during this week of May. 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 Yunomaru during week one of May with average maximum temperature 7.7°C and minimum temperature 5.9°C at the mid altitude. Expect the sun to shine on three or four days per week. Mainly light winds (average 17km/h) but the historical norm is for the mean wind to reach 30km/h one day per week.


Snow History: Compare Resorts


Compare Yunomaru with:

Snow Depths

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

Winter
Summer

Yunomaru


Lower Slopes
Upper Slopes
Fresh Snow

Average Snow Conditions in

Best ski days per week in Yunomaru 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 Yunomaru 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 Yunomaru 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 Yunomaru 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 Yunomaru 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 Yunomaru 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.