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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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Tateyama Sangaku at 834 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 | snow shwrs | snow shwrs | cloudy | cloudy | light rain | heavy rain | mod. snow | mod. snow | light snow | light snow | snow shwrs | |
km/h | ||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||
— | — | — | 18 | 5 | 2 | 1 | — | — | — | — | 8 | 8 | 2 | 2 | — | |
— | — | — | 11 | — | — | — | — | — | 5 | 13 | — | — | — | — | — | |
max °C | 4 | 6 | 6 | 3 | -5 | -5 | -4 | 2 | 3 | 5 | 5 | 2 | -1 | -2 | -2 | -3 |
min °C | 1 | 6 | 5 | -5 | -6 | -7 | -7 | -1 | 1 | 2 | 4 | 0 | -3 | -2 | -3 | -5 |
0 | 3 | 0 | -11 | -12 | -10 | -10 | -1 | -3 | -1 | 0 | -6 | -5 | -5 | -6 | -5 | |
50 | 40 | 62 | 98 | 93 | 90 | 74 | 54 | 68 | 57 | 97 | 97 | 96 | 94 | 93 | 78 | |
1300 | 1850 | 1650 | 800 | 0 | 0 | 0 | 550 | 1300 | 1600 | 2000 | 1100 | 650 | 500 | 550 | 0 | |
 | — | 6:50 | — | — | 6:52 | — | — | 6:52 | — | — | 6:52 | — | — | 6:54 | — | — |
 | — | — | 4:34 | — | — | 4:34 | — | — | 4:35 | — | — | 4:35 | — | — | 4:35 | — |
Next 0-3 days weather summary:
Moderate rain (total 11.0mm) on Thu night. Becoming colder with heavy fall of snow, heaviest during Thu night. Freeze-thaw conditions (max 6°C on Thu morning, min -7°C on Fri afternoon). Wind will be generally light.
Next 4-6 days weather summary:
Moderate rain (total 18.0mm) on Sun morning. Becoming colder with heavy fall of snow, heaviest during Sun afternoon. Freeze-thaw conditions (max 5°C on Sat night, min -5°C on Mon night). Wind will be generally light.
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Latest snow reports near Tateyama Sangaku:
Tateyama Sangaku Snow Conditions
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | 1 cm |
| Last snowfall: | 8 Dec 2025 |
| Snow Alerts | Create Alert |
Other resorts in Japan - Toyama are reporting: powder (0) / good piste (0)
Snow History
Week 2 of December has on average:
0.7 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
1.2 | Powder days Fresh snow, limited sun, any wind. |
0.1 | Bluebird days Average snow, mostly sunny, light wind. |
Tateyama Sangaku Forecast Snowfall
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Other resorts in Japan - Toyama are reporting: powder (0) / good piste (0)
The above table gives the weather forecast for Tateyama Sangaku at the specific elevation of 834 m. Our sophisticated weather models allow us to provide snow forecasts for the top, middle and bottom ski stations of Tateyama Sangaku. 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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