Is Harayama Shimin snowsure?

The snowiest week in Harayama Shimin is week 2 of February. There are typically 4.7 snowy days during this week with 32cm of snowfall. Check out the Harayama Shimin 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 Harayama Shimin

MonthSnow amount (week)Snow days (week)
December14cm2.8 days
January22cm3.8 days
February16cm3.4 days
March5cm1.5 days
April1cm0.2 days

Average Snow and Weather Conditions in Harayama Shimin during January (week 4):

The average snowfall forecast during week 4 of January for Harayama Shimin is 27 cm. There are typically 4.4 snowy days during this week. Harayama Shimin expected weather and snow conditions during the last week of January at the middle elevation of the ski area at 680m, based on historical averages over the last 6 years: At this time of year the normal freezing level (489m) is very near the middle elevation of Harayama Shimin. Frequent snowfalls are typical in Harayama Shimin at the end of January. On average, expect four or five days with fresh snowfall per week but a rainy day during this week occurs about one year in two. Forecast model average snowfall for the week is 27cm. Temperatures should mostly hold a few degrees below freezing. Average maximum temperature at the middle elevation in Harayama Shimin during week four of January is -1.1°C while the average minimum temperature is just -2.7°C. On average, a couple of days per week will have some sunshine. Mainly light winds (average 14km/h) are unlikely to affect ski lifts but there is a 50% chance that the mean wind speed will be greater than more than 30km/h one day. Calm, sunny and below freezing ideal weather days that follow fresh snowfall (bluebird powder days) happen on average one or two days during this week while powder days that do not have cold, sunny and calm weather also happen on average one or two days during this week in any given year.

Snow History: Compare Resorts

Compare Harayama Shimin with:

Snow Depths

Recorded snow depths for the upper and lower slopes in Harayama Shimin and (2007 – 2018).


Harayama Shimin

Lower Slopes
Upper Slopes
Fresh Snow

Average Snow Conditions in

Best ski days per week in Harayama Shimin and (2007 – 2018)


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

The most cherished days on the mountain in Harayama Shimin 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 Harayama Shimin and (2007 – 2018)


Snowfall amount
(bar chart)
Days with significant snowfall.
Days with significant rainfall.

The snowiest weeks of the year in Harayama Shimin 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 Harayama Shimin and (2007 – 2018)


Average temperature
Above freezing
Below freezing
Freezing level
Dashed line

The highest and lowest temperatures averaged for each week of the year in Harayama Shimin 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.