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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: 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 | some clouds | cloudy | light rain | mod. rain | heavy rain | mod. snow | light snow | light snow | clear | some clouds | light rain | heavy rain | |
km/h | |||||||||||||||||
Snow map |  |  |  |  |  |  | |||||||||||
— | 14 | 3 | 1 | — | — | — | — | — | — | 7 | 2 | 1 | — | — | — | — | |
1 | 12 | — | — | — | — | — | 3 | 9 | 20 | — | — | — | — | — | 2 | 11 | |
max °C | 10 | 5 | -2 | -2 | -2 | 3 | 4 | 5 | 5 | 5 | 2 | 1 | 1 | 0 | 5 | 5 | 5 |
min °C | 7 | -2 | -2 | -4 | -5 | 0 | 3 | 3 | 5 | 3 | 0 | 0 | -1 | -1 | 4 | 4 | 5 |
4 | -7 | -7 | -4 | -5 | 0 | 1 | 1 | 5 | -3 | -5 | -4 | -1 | -1 | 1 | 0 | 2 | |
49 | 97 | 85 | 87 | 80 | 59 | 68 | 71 | 96 | 97 | 87 | 87 | 85 | 69 | 72 | 82 | 85 | |
1800 | 700 | 0 | 0 | 0 | 600 | 1200 | 1500 | 1500 | 1250 | 650 | 550 | 650 | 0 | 1050 | 1250 | 1200 | |
 | — | — | 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:
Mild with heavy rain (total 25.0mm), heaviest during Thu night. Becoming colder with a moderate fall of snow heaviest on Thu night. Freeze-thaw conditions (max 10°C on Thu afternoon, min -5°C on Fri night). Wind will be generally light.
Next 4-6 days weather summary:
Heavy rain (total 45.0mm), mainly falling Sun afternoon. Becoming colder with a light covering of snow, mostly falling on Sun night. Freeze-thaw conditions (max 5°C on Sun afternoon, min -1°C on Mon afternoon). Winds decreasing (fresh winds from the WNW on Sun afternoon, calm by Mon afternoon).
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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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