Hachimantai Snow Forecast - 7 day
7-Day Snow Forecast for Hachimantai
This is the 7-Day Snow Forecast for Hachimantai, Japan for 7 days from 14 December.
Updated 14 December 2025 02:43 UTC.
Forecast times for Hachimantai are in Japan Time (Asia/Tokyo).
For Forecast detail, see below.
Hachimantai 7-Day Snow Forecast Highlights
When will there be fresh snow in Hachimantai?
| Next Snow Expected | 14 December |
|---|---|
| Next Snow Amount | 18cm 7in |
| Next 48 Hours | 37cm 15in |
| Next 7 Days | 38cm 15in |
7-Day Snow Outlook for Hachimantai
Snowfall
Snow Line
38cm 15in New Snow
Snow Line from 1,259m 4,131ft to resort level.
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Powder Alert!
Updated 14 December 2025 06:44 UTC
Powder Possible :- 37cm 15in of Fresh Snow is forecast for Hachimantai over the next 2 days.
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Hachimantai 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 1℃ 34°F
Min -6℃ 22°F
Freeze-thaw conditions, with valley temperatures cooling to -6℃ 22°F and rising to 1℃ 34°F
Temperature at BaseTemp at Base
Snowfall
Snow Line
Sun
14
17cm to 20cm 7in to 8in New Snow
Heavy snow first, heavy rain then heavy snow, heavy snow showers later.
Snow Line from 1,259m 4,131ft to resort level.
Max -1℃ 30°F
Min -6℃ 21°F
Below freezing at all levels, with valley temperatures as low as -6℃ 21°F and not getting above -1℃ 30°F
Temperature at BaseTemp at Base
Snowfall
Snow Line
Mon
15
13cm 5in New Snow
Heavy snow showers first, clear spells then fair, light snow showers later.
Snow falling to resort level.
Max 0℃ 32°F
Min -4℃ 24°F
Valley temperatures from an overnight low of -4℃ 24°F to daytime highs around 0℃ 32°F
Temperature at BaseTemp at Base
Snowfall
Snow Line
Tue
16
5cm to 6cm 2in New Snow
Heavy snow showers, light snow, cloudy later.
Snow falling to resort level.
Max -4℃ 25°F
Min -8℃ 18°F
Below freezing at all levels, with valley temperatures as low as -8℃ 18°F and not getting above -4℃ 25°F
Temperature at BaseTemp at Base
Snowfall
Snow Line
Wed
17
Snow unlikely
Cloudy.
Max -6℃ 21°F
Min -8℃ 18°F
Below freezing at all levels, with valley temperatures as low as -8℃ 18°F and not getting above -6℃ 21°F
Temperature at BaseTemp at Base
Thu
18
Snow unlikely
Cloudy, clear spells, cloudy later.
Max 1℃ 33°F
Min -8℃ 18°F
Valley temperatures from an overnight low of -8℃ 18°F to daytime highs around 1℃ 33°F
Temperature at BaseTemp at Base
Fri
19
Snow unlikely
Clear sky first, cloudy then fair, cloudy later.
Max 5℃ 42°F
Min 1℃ 33°F
Valley temperatures from an overnight low of 1℃ 33°F to daytime highs around 5℃ 42°F
Freeze-thaw conditions up high.
Temperature at BaseTemp at Base
Sat
20
Snow unlikely
Cloudy.
This Snow Forecast for Hachimantai, 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 Hachimantai, 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.
Hachimantai Snow Forecast updated at 02:43 UTC, next update expected 08:00 UTC.
Snow Forecast near Hachimantai
| Ski Area | 48 Hr | 7 Day | Su | Mo | Tu | We | Th | Fr | Sa |
|---|---|---|---|---|---|---|---|---|---|
| Hachimantai Resort | 24cm 9in | 24cm 9in | |||||||
| Akitaken Tazawako Kogen | 3cm 1in | 7cm 3in | |||||||
| Amihari | 7cm 3in | 7cm 3in | |||||||
| Shizukuishi | 6cm 2in | 6cm 2in |
Snow Reliability
Hachimantai enjoys reliable snow conditions, with average snow depth reaching up to 2 meters during peak season. For the latest snow information, check J2Ski regularly.