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Japan Weekly Snow Roundup #292
Weekly Snow News for Japan, updated 10 December 2025: early-season bases deepen rapidly as Siberian air drives repeated snow across Hokkaido and Honshu
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Happo One at 760 m altitude
Issued by Snow-Forecast.com at: 8 pm (local time) / 10 Dec 2025
Now
Thursday 11 | Friday 12 | Saturday 13 | Sunday 14 | Monday 15 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | |  |  | |  |  | | |  | |  | | |  | |
some clouds | cloudy | cloudy | heavy snow | light snow | light snow | light snow | some clouds | cloudy | light snow | heavy rain | light snow | mod. snow | light snow | light snow | snow shwrs | |
km/h | ||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||
— | — | — | 16 | 5 | 2 | — | — | — | 1 | — | 5 | 7 | 3 | 2 | — | |
— | — | — | 14 | — | — | — | — | — | 3 | 17 | 12 | — | — | — | — | |
max °C | -1 | 7 | 6 | 3 | -3 | -3 | -7 | 2 | 2 | 1 | 4 | 3 | -1 | 0 | 0 | -5 |
min °C | -3 | 4 | 3 | -4 | -4 | -8 | -10 | -2 | -3 | -2 | 4 | 0 | -3 | -1 | -4 | -8 |
-6 | 2 | 0 | -9 | -8 | -11 | -10 | -2 | -6 | -5 | 2 | -4 | -6 | -3 | -7 | -8 | |
63 | 53 | 64 | 97 | 87 | 82 | 86 | 67 | 75 | 76 | 99 | 98 | 94 | 90 | 88 | 90 | |
700 | 1600 | 1750 | 900 | 0 | 0 | 0 | 450 | 1050 | 1050 | 1750 | 1350 | 650 | 600 | 650 | 0 | |
 | — | 6:50 | — | — | 6:50 | — | — | 6:50 | — | — | 6:52 | — | — | 6:52 | — | — |
 | — | — | 4:31 | — | — | 4:31 | — | — | 4:32 | — | — | 4:32 | — | — | 4:32 | — |
Next 0-3 days weather summary:
Moderate rain (total 14.0mm) on Thu night. Becoming colder with heavy fall of snow, heaviest during Thu night. Freeze-thaw conditions (max 7°C on Thu morning, min -10°C on Fri night). Wind will be generally light.
Next 4-6 days weather summary:
Mild with heavy rain (total 32.0mm), heaviest during Sun afternoon. Becoming colder with a moderate fall of snow heaviest on Sun afternoon. Freeze-thaw conditions (max 4°C on Sun morning, min -8°C on Mon night). Wind will be generally light.
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Snow Radar
Latest snow reports near Happo One:
Happo One Snow Conditions
| Top snow depth: | 89 cm |
|---|---|
| Bottom snow depth: | 30 cm |
| Fresh snowfall depth: | 7 cm |
| Last snowfall: | 9 Dec 2025 |
| Snow Alerts | Create Alert |
Other resorts in Japan - Nagano are reporting: powder (2) / good piste (2)
Snow History
Week 2 of December has on average:
0.3 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
0.4 | Powder days Fresh snow, limited sun, any wind. |
0.0 | Bluebird days Average snow, mostly sunny, light wind. |
Happo One Forecast Snowfall
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Photos of Happo One
Hakuba Japan by Chris Hocking
The day Happo One by Denis Akira Hayashihara
zoio Happo One by Denis Akira H
Upload new photo Other resorts in Japan - Nagano are reporting: powder (2) / good piste (2)
The above table gives the weather forecast for Happo One at the specific elevation of 760 m. Our sophisticated weather models allow us to provide snow forecasts for the top, middle and bottom ski stations of Happo One. To access the weather forecasts for the other elevations, use the tab navigation above the table. For a wider view of the weather, check out the Weather Map of Japan.
Click here to read further information on freezing levels and how we forecast our temperatures.
Visitor Reviews of Happo One
Overall 3.9 Based on 31 votes and 27 reviews
- Snowsure
- Variety of pistes
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- Yoshi from Japan writes:
It is not raining at all. [note from the editor: thank you for submitting your weather observations. You may like to become an Eyeball Reporter, via Twitter. This review will remain in place for a short time.}
Visitor Reviews of Happo One
Yoshi from Japan writes:
It is not raining at all.
[note from the editor: thank you for submitting your weather observations. You may like to become an Eyeball Reporter, via Twitter. This review will remain in place for a short time.}
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