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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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Tainai at 420 m altitude
Issued by Snow-Forecast.com at: 2 pm (local time) / 11 Dec 2025
Now
Thu 11 | Friday 12 | Saturday 13 | Sunday 14 | Monday 15 | Tuesday 16 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | |  | | | | | | | | | | | |  | |
light rain | heavy snow | light snow | light snow | light snow | light snow | light snow | light snow | light rain | light rain | light snow | light snow | light snow | light snow | light rain | light rain | heavy rain | |
km/h | |||||||||||||||||
Snow map |  |  |  |  |  |  | |||||||||||
— | 12 | 3 | 2 | 4 | 1 | — | — | — | — | 1 | 1 | 1 | 1 | — | — | — | |
1 | — | — | — | — | — | — | — | 5 | 4 | 7 | — | — | — | 2 | 5 | 28 | |
max °C | 7 | 2 | -2 | -2 | 0 | 0 | 1 | 2 | 4 | 5 | 3 | 1 | 1 | 2 | 4 | 4 | 6 |
min °C | 7 | -3 | -3 | -2 | -2 | -1 | -1 | 1 | 3 | 3 | 1 | 1 | 1 | 0 | 2 | 4 | 3 |
4 | -11 | -10 | -9 | -8 | -4 | -3 | 0 | 1 | -1 | -6 | -6 | -5 | -3 | -1 | 0 | 0 | |
61 | 90 | 80 | 76 | 79 | 89 | 75 | 71 | 94 | 97 | 89 | 75 | 73 | 76 | 86 | 92 | 93 | |
1500 | 400 | 0 | 0 | 300 | 300 | 600 | 1550 | 1550 | 1300 | 700 | 550 | 600 | 650 | 750 | 1050 | 1300 | |
 | — | — | 6:48 | — | — | 6:48 | — | — | 6:48 | — | — | 6:50 | — | — | 6:50 | — | — |
 | 4:22 | — | — | 4:22 | — | — | 4:22 | — | — | 4:22 | — | — | 4:22 | — | — | 4:22 | — |
Next 0-3 days weather summary:
A heavy fall of snow, heaviest during Thu night. Becoming milder with light rain (total 6.0mm) on Sun morning. Freeze-thaw conditions (max 7°C on Thu afternoon, min -3°C on Thu night). Winds decreasing (fresh winds from the WNW on Thu night, calm by Sat afternoon).
Next 4-6 days weather summary:
Heavy rain (total 53.0mm), mainly falling Tue night. Becoming colder with a light covering of snow, mostly falling on Wed morning. Freeze-thaw conditions (max 6°C on Tue night, min 0°C on Mon night). Winds decreasing (near gales from the W on Sun night, light winds from the WSW by Mon night).
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Snow Radar
Latest snow reports near Tainai:
Tainai Snow Conditions
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | 9 cm |
| Last snowfall: | 10 Dec 2025 |
| Snow Alerts | Create Alert |
Other resorts in Japan - Niigata are reporting: powder (0) / good piste (0)
Snow History
Week 2 of December has on average:
0.0 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
0.8 | Powder days Fresh snow, limited sun, any wind. |
0.0 | Bluebird days Average snow, mostly sunny, light wind. |
Tainai Forecast Snowfall
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Other resorts in Japan - Niigata are reporting: powder (0) / good piste (0)
The above table gives the weather forecast for Tainai at the specific elevation of 420 m. Our sophisticated weather models allow us to provide snow forecasts for the top, middle and bottom ski stations of Tainai. 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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