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snowy resort
Lat Long: 37.62° N 140.23° E

Weather Forecast for Numajiri at 1035m altitude

Issued: 8 am 25 Jun 2026 (local time)

Forecast update in  hr  min

Is Numajiri snowsure?

The snowiest week in Numajiri is week 2 of January. There are typically 5.7 snowy days during this week with 36cm of snowfall. Check out the Numajiri 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 Numajiri

MonthSnow amount (week)Snow days (week)
December24cm4.2 days
January32cm5.5 days
February25cm4.8 days
March16cm3.4 days
April4cm1.2 days

Average Snow and Weather Conditions in Numajiri during June (week 4):

The average snowfall forecast during week 4 of June for Numajiri is 0 cm. There are typically 0.0 snowy days during this week. Numajiri prevailing weather and snow conditions during the last week of June at the middle elevation of the ski area at 1035m, based on historical averages over the last 18 years: At this time of year the expected freezing level (4214m) is a long way above the middle elevation of Numajiri. Fresh Snow is unknown in Numajiri at the end of June but expect several rainy days. On average there just three dry days during this week each year. Usual temperatures are well above freezing both night and day at the middle elevation in Numajiri during week four of June with the average afternoon temperature 17.3°C and the minimum temperature 16.0°C. On average, only one or two days with sunshine per week. Mostly light winds (average 15km/h) but there is a 50% chance that the mean wind speed will be greater than more than 30km/h one day.


Snow History: Compare Resorts


Compare Numajiri with:

Snow Depths

Recorded snow depths for the upper and lower slopes in Numajiri and (2007 – 2026).

Winter
Summer

Numajiri


Lower Slopes
Upper Slopes
Fresh Snow

Average Snow Conditions in

Best ski days per week in Numajiri and (2007 – 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 Numajiri 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 Numajiri and (2007 – 2026)

Winter
Summer

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

The snowiest weeks of the year in Numajiri 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 Numajiri and (2007 – 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 Numajiri 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.