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Japan Christmas Snow Roundup #294
Weekly Snow News for Japan, updated 24 December 2025: Siberian cold continues to deliver exceptional snowfall, with Hokkaido leading global totals.
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Sun Marina Tamaniwa Ski Park at 505 m altitude
Issued by Snow-Forecast.com at: 2 pm (local time) / 25 Dec 2025
Now
Thu 25 | Friday 26 | Saturday 27 | Sunday 28 | Monday 29 | Tuesday 30 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  |  | | | |  |  |  | |  | | | | |
heavy rain | light snow | snow shwrs | mod. snow | mod. snow | light snow | snow shwrs | light snow | snow shwrs | some clouds | clear | cloudy | some clouds | snow shwrs | light snow | light snow | snow shwrs | |
km/h | |||||||||||||||||
Snow map |  |  |  |  |  |  | |||||||||||
— | 3 | 3 | 7 | 8 | 1 | 1 | 4 | — | — | — | — | — | 2 | 3 | 2 | 1 | |
15 | 8 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | 5 | 4 | -1 | -5 | -6 | -2 | -2 | -3 | 1 | 1 | -2 | 5 | 4 | 1 | 2 | 1 | -2 |
min °C | 4 | 0 | -3 | -6 | -7 | -4 | -5 | -5 | -1 | -2 | -3 | 2 | 2 | 0 | 2 | -1 | -4 |
2 | -6 | -11 | -16 | -17 | -10 | -10 | -11 | -5 | -5 | -3 | 0 | 0 | -3 | -2 | -6 | -8 | |
99 | 97 | 86 | 92 | 91 | 84 | 90 | 90 | 88 | 90 | 89 | 65 | 81 | 83 | 99 | 95 | 94 | |
1400 | 1250 | 300 | 0 | 0 | 0 | 200 | 0 | 400 | 650 | 0 | 1250 | 1400 | 700 | 850 | 650 | 250 | |
 | — | — | 6:52 | — | — | 6:54 | — | — | 6:54 | — | — | 6:54 | — | — | 6:54 | — | — |
 | 4:25 | — | — | 4:25 | — | — | 4:27 | — | — | 4:28 | — | — | 4:28 | — | — | 4:29 | — |
Next 0-3 days weather summary:
Heavy rain (total 23.0mm) on Thu afternoon. Becoming colder with heavy fall of snow, heaviest during Fri afternoon. Freeze-thaw conditions (max 5°C on Thu afternoon, min -7°C on Fri night). Winds increasing (calm on Thu night, strong winds from the WNW by Fri afternoon).
Next 4-6 days weather summary:
A light covering of new snow, mostly falling on Mon night. Freeze-thaw conditions (max 5°C on Mon morning, min -4°C on Tue night). Wind will be generally light.
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Latest snow reports near Sun Marina Tamaniwa Ski Park:
Sun Marina Tamaniwa Ski Park Snow Conditions
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | — |
| Last snowfall: | 22 Dec 2025 |
| Snow Alerts | Create Alert |
Other resorts in Japan - Yamagata are reporting: powder (0) / good piste (0)
Snow History
Week 4 of December has on average:
0.8 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
1.9 | Powder days Fresh snow, limited sun, any wind. |
0.3 | Bluebird days Average snow, mostly sunny, light wind. |
Sun Marina Tamaniwa Ski Park Forecast Snowfall
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Other resorts in Japan - Yamagata are reporting: powder (0) / good piste (0)
The above table gives the weather forecast for Sun Marina Tamaniwa Ski Park at the specific elevation of 505 m. Our sophisticated weather models allow us to provide snow forecasts for the top, middle and bottom ski stations of Sun Marina Tamaniwa Ski Park. 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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