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Numajiri Snow Forecast - 22nd July 2026

Numajiri Snow Report and Forecast

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JMA

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Updated 22 July 2026 02:41 PDT

Snow Forecast for Numajiri

Snow and Weather from 22 July.

For Forecast detail, see below.

Numajiri Snow Forecast Highlights

When will there be fresh snow in Numajiri?

Numajiri Snow Forecast Highlights - JMA
Snowfall prediction at mid-mountain (3,396ft)
Next Snow?
There is no snow currently in the forecast for Numajiri.

Forecast for today in Numajiri

Max 81°F
Min 71°F

Valley temperatures from an overnight low of 71°F to daytime highs around 81°F

Temperature at BaseTemp at Base

Wed
22

Snow unlikely

FairFairFairFair

Fair.

Forecast times for Numajiri are in Tokyo (Asia/Tokyo) time zone.

Numajiri 7-Day Snow Forecast Overview

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Summary Weather and Snow Forecast for Numajiri from OpenMeteo(JMA)
Wed
22
Thu
23
Fri
24
Sat
25
Sun
26
Mon
27
Tue
28
WindNW F2
4,003ft
77°F
Fair
76°F
Clear
65°F
Mixed
62°F
Shwrs
64°F
Shwrs
72°F
Lt Drizzle
70°F
Lt Drizzle
NW F2
3,396ft
79°F
Fair
78°F
Clear
67°F
Mixed
64°F
Shwrs
66°F
Shwrs
74°F
Lt Drizzle
72°F
Lt Drizzle
NW F2
2,789ft
81°F
Fair
80°F
Clear
69°F
Mixed
66°F
Shwrs
68°F
Shwrs
76°F
Lt Drizzle
74°F
Lt Drizzle
Snow Line
Max Town81°F80°F69°F66°F68°F76°F74°F
Min Town71°F69°F65°F62°F61°F62°F61°F

This table shows the average forecast snowfall, the maximum temperature, and expected general weather at resort, lower and upper mountain levels. For daily forecast details, see below.

Japan Accommodation (Apartments, Chalets, Hotels) Map

 

Snow Reliability

Numajiri enjoys a consistent snow cover, with average snow depths reaching up to 2 meters during peak season. For the latest snow conditions, check J2Ski for reliable updates.

Understanding and predicting Snow Conditions in Numajiri

Here are our tips for making the most of a trip to Numajiri, with the help of the J2Ski Snow forecasts and reports. You can find some great skiing in Numajiri, but like any mountain, snow conditions change throughout the season, from day to day, and even from hour to hour.

Whether you’re sticking to the marked pistes or venturing off-piste, here’s what you need to know:

Pistes (Groomers) or Off-Piste

These can be a world apart, regarding snow conditions, even ignoring the difference between the natural terrain features to be found off-piste and the generally controlled surfaces and slopes of a pisted (groomed) run.

  • Piste Conditions can range from fresh powder to firm, icy surfaces, particularly after warm spells or a busy day on the mountain with the passage of many skiers.
  • Off-Piste Conditions are far more variable. Wind and sun can quickly transform fresh snow into wind crust or slushy layers, whilst cold weather can preserve stashes of powder many days after a snowfall.

WARNING - skiing off-piste (out-of-bounds) at Numajiri is uncontrolled and un-marked slopes are not made safe (from avalanche risk) or patrolled. Always check local advice, know the Avalanche Risk Level, ski with safety kit (and know how to use it), and never ski alone.

Analyzing Weather and Snowfall Forecasts

Whilst no forecast can tell you exactly how snow conditions in Numajiri will develop, checking the forecast regularly should give you an idea of what to expect.

New snowfall can bring fresh powder and refresh the surfaces of pisted runs. Powder can be tracked out quickly at busy times, but in less crowded and shaded areas, fresh snow can linger for days.

Changes in weather conditions, such as milder temperatures, rain or wind, can degrade snow quality. Conversely, cold, stable weather can preserve conditions for extended periods.

Predicting Future Snow Quality

Regularly check our snow and weather forecasts for Numajiri for changes that may affect snow quality. Forecast snowfall depth and recent snowfall are good indicators of what to expect.

Use historical data and recent snow reports to understand past snow conditions and anticipate future changes.