comScore pixel
Shiga Kogen-Takamagahara Mammoth resort snow
Lat Long: 36.73° N 138.51° E
Ski Japan - Nagano

Shiga Kogen-Takamagahara Mammoth Snow History

Weather Forecast for Takamagahara Mammoth at 1862m altitude

Issued: 8 am 21 Apr 2026 (local time)

Forecast update in  hr  min

Next snow in Shiga Kogen-Takamagahara Mammoth: 1.2cm on Tue 21st  (after 9 AM)

Is Shiga Kogen-Takamagahara Mammoth snowsure?

The snowiest week in Shiga Kogen-Takamagahara Mammoth is week 3 of January. There are typically 5.2 snowy days during this week with 64cm of snowfall. Check out the Shiga Kogen-Takamagahara Mammoth 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 Shiga Kogen-Takamagahara Mammoth

MonthSnow amount (week)Snow days (week)
December47cm4.6 days
January59cm5.4 days
February49cm5.1 days
March38cm4.1 days
April13cm2.2 days

Average Snow and Weather Conditions in Shiga Kogen-Takamagahara Mammoth during April (week 3):

The average snowfall forecast during week 3 of April for Shiga Kogen-Takamagahara Mammoth is 9 cm. There are typically 2.0 snowy days during this week.Takamagahara Mammoth typical weather and snow conditions during the third week of April at the middle elevation of the ski area at 1862m, based on historical averages over the last 17 years: At this time of year the normal freezing level (2382m) is a little above the mid altitude of Takamagahara Mammoth. Based on long-term averages, there are two days with snowfall per week in Takamagahara Mammoth in the middle of April but with a significant risk of rain falling rather than snow on one or two days Forecast model average snowfall for the week is 9cm. Temperatures generally above freezing both night and day in Takamagahara Mammoth during week three of April with average maximum temperature 3.3°C and minimum temperature 1.6°C at the mid altitude. On average, two days out of seven will have some sunshine. Mainly light winds (average 17km/h) are unlikely to affect ski lifts but there is a 50% chance that the mean wind speed will exceed more than 30km/h one day. Calm, sunny and below freezing ideal weather days that follow new snow (bluebird powder days) are rare, occuring this week on average one year in 0


Snow History: Compare Resorts


Compare Shiga Kogen-Takamagahara Mammoth with:

Snow Depths

Recorded snow depths for the upper and lower slopes in Shiga Kogen-Takamagahara Mammoth and (2007 – 2024).

Winter
Summer

Shiga Kogen-Takamagahara Mammoth


Lower Slopes
Upper Slopes
Fresh Snow

Average Snow Conditions in

Best ski days per week in Shiga Kogen-Takamagahara Mammoth 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 Shiga Kogen-Takamagahara Mammoth 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 Shiga Kogen-Takamagahara Mammoth 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 Shiga Kogen-Takamagahara Mammoth 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 Shiga Kogen-Takamagahara Mammoth 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 Shiga Kogen-Takamagahara Mammoth 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.