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snowy resort
Lat Long: 36.42° N 138.63° E
Ski Japan - Gunma

Karuizawa Snow Park Snow History

Weather Forecast for Karuizawa Snow Park at 1335m altitude

Issued: 8 am 21 Apr 2026 (local time)

Forecast update in  hr  min

Is Karuizawa Snow Park snowsure?

The snowiest week in Karuizawa Snow Park is week 3 of January. There are typically 3.6 snowy days during this week with 15cm of snowfall. Check out the Karuizawa Snow Park 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 Karuizawa Snow Park

MonthSnow amount (week)Snow days (week)
December7cm2.7 days
January11cm3.4 days
February10cm3.3 days
March10cm2.2 days
April3cm0.8 days

Average Snow and Weather Conditions in Karuizawa Snow Park during April (week 3):

The average snowfall forecast during week 3 of April for Karuizawa Snow Park is 1 cm. There are typically 0.4 snowy days during this week.Karuizawa Snow Park prevailing weather and snow conditions during the third week of April at the middle elevation of the ski area at 1335m, based on historical averages over the last 12 years: At this time of year the normal freezing level (2524m) is well above the middle elevation of Karuizawa Snow Park. A day with snowfall happens on average every other year during the third week of April but in an average year there are two or three days during this particular week each year that are wet. In the years when snow falls at this time of year, forecast model average snowfall for the week is 2cm. Temperatures generally above freezing both day and night in Karuizawa Snow Park during week three of April with average maximum temperature 7.7°C and minimum temperature 5.7°C at the middle elevation. Expect the sun to shine on three out of seven days. Mostly light winds (average 15km/h) are unlikely to affect lift operations but there is a 50% chance that the mean wind speed will be more than more than 30km/h one day. Below-freezing, calm and sunny ideal weather days that follow new snow (bluebird powder days) are unusual, occuring this week on average one year in 1


Snow History: Compare Resorts


Compare Karuizawa Snow Park with:

Snow Depths

Recorded snow depths for the upper and lower slopes in Karuizawa Snow Park and (2007 – 2024).

Winter
Summer

Karuizawa Snow Park


Lower Slopes
Upper Slopes
Fresh Snow

Average Snow Conditions in

Best ski days per week in Karuizawa Snow Park 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 Karuizawa Snow Park 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 Karuizawa Snow Park 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 Karuizawa Snow Park 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 Karuizawa Snow Park 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 Karuizawa Snow Park 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.