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Iwappara resort snow
Lat Long: 36.94° N 138.84° E
Ski Japan - Niigata

Iwappara Snow History

Weather Forecast for Iwappara at 692m altitude

Issued: 8 pm 27 Jul 2026 (local time)

Forecast update in  hr  min

Is Iwappara snowsure?

The snowiest week in Iwappara is week 2 of January. There are typically 5.3 snowy days during this week with 58cm of snowfall. Check out the Iwappara 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 Iwappara

MonthSnow amount (week)Snow days (week)
December37cm3.4 days
January53cm5.1 days
February43cm4.5 days
March18cm2.9 days
April3cm0.7 days

Average Snow and Weather Conditions in Iwappara during July (week 4):

The average snowfall forecast during week 4 of July for Iwappara is 0 cm. There are typically 0.0 snowy days during this week. Iwappara normal weather and snow conditions during the last week of July at the middle elevation of the ski area at 692m, based on historical averages over the last 18 years: At this time of year the normal freezing level (4910m) is well above the mid altitude of Iwappara. Fresh Snow is extemely unlikely in Iwappara at the end of July whereas rain is common. Expect to get rained on during 4 or 5 days at this time of year. Warm daytime temperatures in Iwappara during week four of July. The average temperature range is between 22.4°C and 24.0°C at the mid altitude. On average, two days out of seven will have some sunshine. Generally light winds (average 7km/h).


Snow History: Compare Resorts


Compare Iwappara with:

Snow Depths

Recorded snow depths for the upper and lower slopes in Iwappara and (2007 – 2026).

Winter
Summer

Iwappara


Lower Slopes
Upper Slopes
Fresh Snow

Average Snow Conditions in

Best ski days per week in Iwappara 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 Iwappara 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 Iwappara 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 Iwappara 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 Iwappara 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 Iwappara 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.