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Ajigasawa Long-Range Snow Forecast - 20th May 2026

Ajigasawa Long-Range Snow Forecast Updated today

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JMA

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Updated 20 May 2026 03:40 UTC

Long-Range Snow Forecast for Ajigasawa

Long-range (14 to 45 days) from 20 May.

For Forecast detail, see below.

Ajigasawa 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.

Long-range Snow Outlook for Ajigasawa

 
Snowfall

 
Snow Line

Max 20℃ 68°F
Min 7℃ 45°F

Snow unlikely

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Ajigasawa Long-Range (2 weeks+) Snow Forecast Outlook

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.

16 Day Weather and Snow Forecast for Ajigasawa from OpenMeteo(JMA)
BaseSnow and WeatherTemp
Town
Wed
20
Mixed

Clear spells.

Max 20℃ 68°F
Min 10℃ 50°F
Thu
21
Cloud

Cloudy.

Max 15℃ 58°F
Min 9℃ 48°F
Fri
22
Clear

Clear sky.

Max 17℃ 62°F
Min 8℃ 46°F
Sat
23
Cloud

Cloudy.

Max 13℃ 56°F
Min 7℃ 45°F
Sun
24
Hvy Drizzle

Heavy drizzle.

Max 14℃ 57°F
Min 12℃ 53°F
Mon
25
Cloud

Cloudy.

Max 13℃ 55°F
Min 12℃ 53°F
Tue
26
Mixed

Clear spells.

Max 13℃ 55°F
Min 11℃ 53°F

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 03:40 UTC, next update expected 09:00 UTC.

Ensemble forecast for Ajigasawa, Japan at 396m

Daily Mean Temperature (yellow line is control)
Daily Total Precipitation (blue line is control)

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.

Off-Piste Safety in Ajigasawa

Before skiing or snowboarding off-piste in Ajigasawa, you must assess the local snow conditions. Always check the local Avalanche Risk Level and ski with appropriate safety equipment.