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Ishiuchi Maruyama resort snow
Lat Long: 36.97° N 138.79° E
Ski Japan - Niigata

Ishiuchi Maruyama Snow History

Weather Forecast for Ishiuchi Maruyama at 588m altitude

Issued: 2 pm 21 Apr 2026 (local time)

Forecast update in  hr  min

Is Ishiuchi Maruyama snowsure?

The snowiest week in Ishiuchi Maruyama is week 3 of December. There are typically 4.1 snowy days during this week with 49cm of snowfall. Check out the Ishiuchi Maruyama 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 Ishiuchi Maruyama

MonthSnow amount (week)Snow days (week)
December32cm3.2 days
January47cm4.8 days
February36cm4.4 days
March15cm2.6 days
April2cm0.5 days

Average Snow and Weather Conditions in Ishiuchi Maruyama during April (week 3):

The average snowfall forecast during week 3 of April for Ishiuchi Maruyama is 1 cm. There are typically 0.2 snowy days during this week.Ishiuchi Maruyama normal weather and snow conditions during the third week of April at the middle elevation of the ski area at 588m, based on historical averages over the last 17 years: At this time of year the mean freezing level (2306m) is far above the mid altitude of Ishiuchi Maruyama. Snow falls on just one day every 5 years in Ishiuchi Maruyama in the middle of April but on average there are three days during this week each year when it rains. In the years when snow falls at this time of year, forecast model average snowfall for the week is 5cm. Typical temperatures are well above freezing both night and day at the mid altitude in Ishiuchi Maruyama during week three of April with the average afternoon temperature 10.5°C and the minimum temperature 8.4°C. On average, two days out of seven will have some sunshine. Generally light winds (average 11km/h) are unlikely to affect lift operations. Based on our hindcast archive, we do not expect any fresh snow days or any bluebird days at the middle elevation of the ski area of Ishiuchi Maruyama at this time of year.


Snow History: Compare Resorts


Compare Ishiuchi Maruyama with:

Snow Depths

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

Winter
Summer

Ishiuchi Maruyama


Lower Slopes
Upper Slopes
Fresh Snow

Average Snow Conditions in

Best ski days per week in Ishiuchi Maruyama 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 Ishiuchi Maruyama 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 Ishiuchi Maruyama 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 Ishiuchi Maruyama 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 Ishiuchi Maruyama 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 Ishiuchi Maruyama 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.