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Ajigasawa 7-Day Snow Forecast - 20th May 2026

Ajigasawa Snow Forecast - 7 day

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JMA

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Updated 20 May 2026 15:40 NZST

7-Day Snow Forecast for Ajigasawa

1-week from 20 May.

For Forecast detail, see below.

Ajigasawa 7-Day Snow Forecast Highlights

When will there be fresh snow in Ajigasawa?

Ajigasawa Snow Forecast Highlights - JMA
Snowfall prediction at mid-mountain (659m)
Next Snow?
There is no snow currently in the forecast for Ajigasawa.

7-Day Snow Outlook for Ajigasawa

 
Snowfall

 
Snow Line

Max 20℃
Min 7℃

Snow unlikely

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Ajigasawa Medium-Range (7-Day) Snow Forecast Detail

Note :- Mountain weather is extremely dynamic; the forecast below will change. Any forecast snow may move forward or back in the forecast, and predicted snowfall depths will be revised in subsequent updates.

Max 20℃
Min 10℃

Valley temperatures from an overnight low of 10℃ to daytime highs around 20℃

Temperature at BaseTemp at Base

Wed
20

Snow unlikely

ClearMixedMixedCloud

Clear sky, clear spells, cloudy later.

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

Max 15℃
Min 9℃

Valley temperatures from an overnight low of 9℃ to daytime highs around 15℃

Temperature at BaseTemp at Base

Thu
21

Snow unlikely

CloudCloudCloudMixed

Cloudy early, then clear spells later.

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

Max 17℃
Min 8℃

Valley temperatures from an overnight low of 8℃ to daytime highs around 17℃

Temperature at BaseTemp at Base

Fri
22

Snow unlikely

ClearClearClearMixed

Clear sky early, then clear spells later.

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

Max 13℃
Min 7℃

Valley temperatures from an overnight low of 7℃ to daytime highs around 13℃

Temperature at BaseTemp at Base

Sat
23

Snow unlikely

CloudCloudCloudDrizzle

Cloudy early, then drizzle later.

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

Max 14℃
Min 12℃

Valley temperatures from an overnight low of 12℃ to daytime highs around 14℃

Temperature at BaseTemp at Base

Sun
24

Snow unlikely

Hvy DrizzleLt DrizzleCloudCloud

Heavy drizzle, light drizzle, cloudy later.

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

Max 13℃
Min 12℃

Valley temperatures from an overnight low of 12℃ to daytime highs around 13℃

Temperature at BaseTemp at Base

Mon
25

Snow unlikely

MixedClearFairLt Drizzle

Clear spells first, clear sky then fair, light drizzle later.

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

Max 13℃
Min 11℃

Valley temperatures from an overnight low of 11℃ to daytime highs around 13℃

Temperature at BaseTemp at Base

Tue
26

Snow unlikely

Lt RainMixedMixedCloud

Light rain showers, clear spells, cloudy later.

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

No significant snowfall is forecast for this period.

This Snow Forecast for Ajigasawa, Japan gives the predicted Snowfall and Freezing Levels for the next week.

The forecast snowfall depths given are the likely average accumulations for the Lower and Upper slopes. The actual snow depth in Ajigasawa, on any given piste or itinerary, may be dramatically different, particularly if the snowfall is accompanied by high winds and/or varying air temperatures.

Snow Forecasts beyond two days ahead are subject to significant change and variable reliability.

Ajigasawa Snow Forecast updated at 15:40 NZST, next update expected imminently.

Snow Reliability

Ajigasawa typically enjoys reliable snow conditions, with average snow depths of around 3 to 4 meters throughout the season. For the latest snow conditions, check J2Ski for up-to-date information.