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snowy resort
Ski Japan - Fukushima

Showa Sonei Snow History

37.34° N 139.60° E

Weather Forecast for Showa Sonei at 492 m altitude

Issued:
8 am 26 Sep 2026 (local time)
Forecast update in:
 hr  min

Is Showa Sonei snowsure?

The snowiest week in Showa Sonei is week 2 of January. There are typically 5.2 snowy days during this week with 46 cm of snowfall. Check out the Showa Sonei 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 Showa Sonei

MonthSnow amount (week)Snow days (week)
December29 cm3.4 days
January40 cm5.0 days
February32 cm4.4 days
March10 cm2.4 days
April1 cm0.4 days

Average Snow and Weather Conditions in Showa Sonei during September (week 4):

The average snowfall forecast during week 4 of September for Showa Sonei is 0 cm. There are typically 0.0 snowy days during this week. Showa Sonei normal weather and snow conditions during the last week of September at the middle elevation of the ski area at 492m, based on historical averages over the last 13 years: At this time of year the expected freezing level (4138m) is a long way above the mid altitude of Showa Sonei. Snowfall is unlikely in Showa Sonei at the end of September but on average there are three days during this week each year when it rains Typical temperatures are well above freezing both night and day at the mid altitude in Showa Sonei during week four of September with the average afternoon temperature 19.5°C and the minimum temperature 17.6°C. On average, two days out of seven will have some sunshine. Generally light winds (average 9km/h).


Snow History: Compare Resorts


Compare Showa Sonei with:

Snow Depths

Recorded snow depths for the upper and lower slopes in Showa Sonei and (2012 – 2026).

Winter
Summer

Showa Sonei

 


Lower Slopes
Upper Slopes
Fresh Snow

Average Snow Conditions in

Best ski days per week in Showa Sonei and (2012 – 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 Showa Sonei 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 Showa Sonei and (2012 – 2026)

Winter
Summer

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

The snowiest weeks of the year in Showa Sonei 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 Showa Sonei and (2012 – 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 Showa Sonei 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.