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Japan Weekly Snow Roundup #293
Weekly Snow News for Japan, updated 17 December 2025: Siberian cold fuels relentless powder storms, with Hokkaido leading Japan’s mid-winter surge.
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Ninox Snow Park at 936 m altitude
Issued by Snow-Forecast.com at: 8 pm (local time) / 17 Dec 2025
Now
Thursday 18 | Friday 19 | Saturday 20 | Sunday 21 | Monday 22 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | |  |  | |  |  | | |  |  |  | | | | |
mod. snow | light snow | light snow | clear | clear | clear | some clouds | some clouds | clear | clear | cloudy | mod. rain | light snow | light snow | some clouds | clear | |
km/h | ||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||
7 | 2 | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | |
— | — | — | — | — | — | — | — | — | — | — | 8 | 3 | — | — | — | |
max °C | -2 | -3 | -3 | 0 | 5 | 6 | 6 | 9 | 9 | 10 | 10 | 7 | 3 | -1 | -1 | -2 |
min °C | -3 | -3 | -3 | -3 | 2 | 5 | 5 | 7 | 8 | 9 | 9 | 5 | 0 | -1 | -2 | -3 |
-10 | -10 | -8 | -7 | 0 | 2 | 2 | 5 | 6 | 7 | 6 | 2 | -5 | -5 | -5 | -7 | |
95 | 88 | 84 | 68 | 52 | 37 | 39 | 46 | 67 | 68 | 70 | 99 | 94 | 93 | 78 | 71 | |
650 | 550 | 650 | 400 | 1450 | 2250 | 2450 | 2400 | 2450 | 2600 | 2750 | 2400 | 1100 | 800 | 800 | 500 | |
 | — | 6:52 | — | — | 6:52 | — | — | 6:52 | — | — | 6:52 | — | — | 6:54 | — | — |
 | — | — | 4:23 | — | — | 4:24 | — | — | 4:24 | — | — | 4:24 | — | — | 4:25 | — |
Next 0-3 days weather summary:
A light covering of new snow, mostly falling on Wed night. Freeze-thaw conditions (max 9°C on Sat morning, min -3°C on Wed night). Wind will be generally light.
Next 4-6 days weather summary:
Moderate rain (total 11.0mm) heaviest on Sun afternoon, then becoming colder with a dusting of snow on Sun night. Freeze-thaw conditions (max 10°C on Sat night, min -3°C on Mon night). Wind will be generally light.
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Latest snow reports near Ninox Snow Park:
Ninox Snow Park Snow Conditions
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | 10 cm |
| Last snowfall: | 16 Dec 2025 |
| Snow Alerts | Create Alert |
Other resorts in Japan - Niigata are reporting: powder (0) / good piste (0)
Snow History
Week 3 of December has on average:
0.4 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
3.8 | Powder days Fresh snow, limited sun, any wind. |
0.1 | Bluebird days Average snow, mostly sunny, light wind. |
Ninox Snow Park 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 Ninox Snow Park at the specific elevation of 936 m. Our sophisticated weather models allow us to provide snow forecasts for the top, middle and bottom ski stations of Ninox Snow 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.
Visitor Reviews of Ninox Snow Park
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