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snowy ski resort
Ski Japan - Yamagata

Omoshiroyama Kōgen Ski Park Snow History

38.33° N 140.50° E

Weather Forecast for Omoshiroyama Kōgen Ski Park at 680 m altitude

Next snow in Omoshiroyama Kōgen Ski Park:
0.4 cm on Tue 10th
Issued:
8 am 08 Nov 2026 (local time)
Forecast update in:
 hr.  min.

Is Omoshiroyama Kōgen Ski Park snowsure?

The snowiest week in Omoshiroyama Kōgen Ski Park is week 4 of January. There are typically 5.4 snowy days during this week with 31 cm of snowfall. Check out the Omoshiroyama Kōgen Ski Park 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 Omoshiroyama Kōgen Ski Park

MonthSnow amount (week)Snow days (week)
December21 cm4.1 days
January28 cm5.5 days
February20 cm4.8 days
March11 cm3.2 days
April2 cm0.8 days

Average Snow and Weather Conditions in Omoshiroyama Kōgen Ski Park during November (week 2):

The average snowfall forecast during week 2 of November for Omoshiroyama Kōgen Ski Park is 1 cm. There are typically 0.6 snowy days during this week. Omoshiroyama Kogen Ski Park typical weather and snow conditions during the second week of November at the middle elevation of the ski area at 680m, based on historical averages over the last 17 years: At this time of year the expected freezing level (2033m) is a long way above the mid altitude of Omoshiroyama Kogen Ski Park. A day with snowfall happens on average every second year during the second week of November 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 generally above freezing both day and night in Omoshiroyama Kogen Ski Park during week two of November with average maximum temperature 7.5°C and minimum temperature 5.9°C at the mid altitude. On average, two days out of seven will have some sunshine. Mostly light winds (average 19km/h) are unlikely to affect ski lifts but the historical norm is for the mean wind to reach 30km/h one day per week. Based on our hindcast archive, we don't expect any powder days or any bluebird days at the middle elevation of the ski area of Omoshiroyama Kogen Ski Park at this time of year.


Snow History: Compare Resorts


Compare Omoshiroyama Kōgen Ski Park with:

Snow Depths

Recorded snow depths for the upper and lower slopes in Omoshiroyama Kōgen Ski Park and (2007 – 2026).

Winter
Summer

Omoshiroyama Kōgen Ski Park

 


Lower Slopes
Upper Slopes
Fresh Snow

Average Snow Conditions in

Best ski days per week in Omoshiroyama Kōgen Ski Park and (2007 – 2026)

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 Omoshiroyama Kōgen Ski Park 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 Omoshiroyama Kōgen Ski Park and (2007 – 2026)

Winter
Summer

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

The snowiest weeks of the year in Omoshiroyama Kōgen Ski Park 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 Omoshiroyama Kōgen Ski Park and (2007 – 2026)

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 Omoshiroyama Kōgen Ski Park 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.