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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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Yanaba at 830 m altitude
Issued by Snow-Forecast.com at: 8 am (local time) / 11 Dec 2025
Now
Thursday 11 | Friday 12 | Saturday 13 | Sunday 14 | Monday 15 | Tuesday 16 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  | |  |  | |  |  |  | | | |  | | | | |
some clouds | cloudy | heavy snow | snow shwrs | snow shwrs | snow shwrs | clear | cloudy | light snow | heavy rain | light snow | snow shwrs | snow shwrs | snow shwrs | some clouds | clear | clear | snow shwrs | |
km/h | ||||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||||
— | — | 11 | 2 | 1 | — | — | — | — | — | 5 | 6 | 2 | 1 | — | — | — | — | |
— | — | 9 | — | — | — | — | — | 3 | 18 | 7 | — | — | — | — | — | — | — | |
max °C | 8 | 8 | 3 | -3 | -3 | -5 | 2 | 2 | 1 | 4 | 3 | -1 | 0 | 0 | -7 | 2 | 2 | 0 |
min °C | 4 | 3 | -4 | -4 | -8 | -9 | -2 | -3 | -2 | 3 | 0 | -5 | -1 | -5 | -8 | -1 | -3 | -2 |
2 | 0 | -8 | -8 | -11 | -9 | -2 | -6 | -6 | 3 | -5 | -8 | -3 | -8 | -8 | -1 | -5 | -5 | |
47 | 53 | 97 | 75 | 72 | 74 | 60 | 64 | 75 | 99 | 92 | 88 | 86 | 81 | 72 | 57 | 74 | 85 | |
1650 | 1900 | 900 | 0 | 350 | 0 | 550 | 1150 | 1250 | 1550 | 1300 | 500 | 600 | 750 | 0 | 700 | 1150 | 1150 | |
 | 6:48 | — | — | 6:50 | — | — | 6:50 | — | — | 6:52 | — | — | 6:52 | — | — | 6:52 | — | — |
 | — | 4:31 | — | — | 4:32 | — | — | 4:32 | — | — | 4:32 | — | — | 4:32 | — | — | 4:34 | — |
Next 0-3 days weather summary:
Moderate rain (total 12.0mm), heaviest on Thu night giving way to a moderate fall of snow, heaviest on Thu night. Freeze-thaw conditions (max 8°C on Thu morning, min -9°C on Fri night). Wind will be generally light.
Next 4-6 days weather summary:
Mild with heavy rain (total 25.0mm), heaviest during Sun morning. 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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Latest snow reports near Yanaba:
Yanaba Snow Conditions
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | 1 cm |
| Last snowfall: | 10 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:
0.2 | 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. |
Yanaba Forecast Snowfall
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Other resorts in Japan - Nagano are reporting: powder (2) / good piste (2)
The above table gives the weather forecast for Yanaba at the specific elevation of 830 m. Our sophisticated weather models allow us to provide snow forecasts for the top, middle and bottom ski stations of Yanaba. 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.
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