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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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Unazuki Onsen at 499 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 | light rain | heavy snow | light snow | light snow | light snow | some clouds | cloudy | light rain | heavy rain | heavy rain | mod. snow | light snow | light snow | snow shwrs | clear | some clouds | light rain | |
km/h | ||||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||||
— | — | 15 | 4 | 2 | — | — | — | — | — | — | 6 | 3 | 2 | — | — | — | — | |
— | 1 | 15 | — | — | — | — | — | 3 | 14 | 15 | — | — | — | — | — | — | 3 | |
max °C | 10 | 10 | 5 | -2 | -2 | -2 | 2 | 4 | 5 | 6 | 4 | 1 | 1 | 1 | -1 | 4 | 5 | 5 |
min °C | 8 | 8 | -2 | -3 | -4 | -5 | 0 | 2 | 3 | 5 | 3 | 0 | 0 | -1 | -2 | 2 | 3 | 4 |
6 | 5 | -7 | -8 | -4 | -5 | 0 | 0 | 1 | 3 | -3 | -5 | -4 | -3 | -4 | 0 | 0 | 1 | |
46 | 54 | 96 | 86 | 87 | 77 | 62 | 69 | 69 | 96 | 96 | 90 | 90 | 90 | 69 | 62 | 74 | 84 | |
1850 | 1800 | 700 | 0 | 0 | 0 | 550 | 1200 | 1550 | 1650 | 1150 | 650 | 550 | 600 | 0 | 850 | 1200 | 1250 | |
 | 6:50 | — | — | 6:52 | — | — | 6:52 | — | — | 6:52 | — | — | 6:54 | — | — | 6:54 | — | — |
 | — | 4:32 | — | — | 4:32 | — | — | 4:32 | — | — | 4:34 | — | — | 4:34 | — | — | 4:34 | — |
Next 0-3 days weather summary:
Moderate rain (total 19.0mm) on Thu night. Becoming colder with heavy fall of snow, heaviest during Thu night. Freeze-thaw conditions (max 10°C on Thu morning, min -5°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 morning. Becoming colder with a moderate fall of snow heaviest on Sun night. Freeze-thaw conditions (max 6°C on Sun morning, min -2°C on Mon night). Winds decreasing (fresh winds from the W on Sun afternoon, calm by Mon night).
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Latest snow reports near Unazuki Onsen:
Unazuki Onsen Snow Conditions
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | — |
| 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:
0.1 | 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. |
Unazuki Onsen 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 Unazuki Onsen at the specific elevation of 499 m. Our sophisticated weather models allow us to provide snow forecasts for the top, middle and bottom ski stations of Unazuki Onsen. 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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