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snowy resort
Lat Long: 36.74° N 138.16° E
Ski Japan - Nagano

Iizuna Resort Snow History

Weather Forecast for Iizuna Resort at 1200m altitude

Issued: 8 pm 30 Apr 2026 (local time)

Forecast update in  hr  min

Is Iizuna Resort snowsure?

The snowiest week in Iizuna Resort is week 2 of January. There are typically 5.2 snowy days during this week with 49cm of snowfall. Check out the Iizuna Resort 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 Iizuna Resort

MonthSnow amount (week)Snow days (week)
December32cm3.9 days
January43cm5.0 days
February31cm4.4 days
March20cm3.2 days
April4cm1.0 days

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

The average snowfall forecast during week 1 of May for Iizuna Resort is 0 cm. There are typically 0.2 snowy days during this week.Iizuna Resort prevailing weather and snow conditions during the first week of May at the middle elevation of the ski area at 1200m, based on historical averages over the last 16 years: At this time of year the normal freezing level (2945m) is far above the mid altitude of Iizuna Resort. Snow falls on just one day every 5 years in Iizuna Resort at the start of May but in a typical year there are a couple of wet 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 0cm. Typical temperatures are well above freezing both day and night at the mid altitude in Iizuna Resort during week one of May with the average afternoon temperature 11.1°C and the minimum temperature 9.1°C. Expect the sun to shine on three out of seven days. Generally light winds (average 12km/h).


Snow History: Compare Resorts


Compare Iizuna Resort with:

Snow Depths

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

Winter
Summer

Iizuna Resort


Lower Slopes
Upper Slopes
Fresh Snow

Average Snow Conditions in

Best ski days per week in Iizuna Resort 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 Iizuna Resort 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 Iizuna Resort 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 Iizuna Resort 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 Iizuna Resort 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 Iizuna Resort 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.