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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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Tainai at 420 m altitude
Issued by Snow-Forecast.com at: 2 am (local time) / 19 Dec 2025
Now
Friday 19 | Saturday 20 | Sunday 21 | Monday 22 | Tuesday 23 | Wednesday 24 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  |  | | |  |  |  |  | | | | |  | |  | | |
clear | clear | some clouds | some clouds | clear | some clouds | cloudy | heavy rain | light snow | light snow | light snow | some clouds | some clouds | some clouds | cloudy | cloudy | light rain | light snow | |
km/h | ||||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||||
— | — | — | — | — | — | — | — | 2 | 1 | — | — | — | — | — | — | — | — | |
— | — | — | — | — | — | — | 16 | 10 | — | — | — | — | — | — | — | 5 | 18 | |
max °C | 8 | 9 | 6 | 13 | 13 | 11 | 13 | 9 | 4 | 1 | 1 | 1 | 6 | 6 | 6 | 10 | 9 | 6 |
min °C | 4 | 5 | 5 | 9 | 10 | 11 | 11 | 7 | 1 | 1 | 1 | -1 | 2 | 3 | 4 | 8 | 9 | 1 |
4 | 4 | 4 | 9 | 9 | 10 | 10 | 4 | -4 | -4 | -4 | -3 | 2 | 1 | 2 | 6 | 7 | -4 | |
58 | 54 | 50 | 50 | 59 | 66 | 71 | 99 | 89 | 65 | 67 | 75 | 55 | 53 | 67 | 67 | 85 | 93 | |
1300 | 2250 | 2450 | 2350 | 2550 | 2800 | 2750 | 2300 | 1000 | 500 | 550 | 450 | 1150 | 1850 | 2300 | 2700 | 2500 | 950 | |
 | 6:52 | — | — | 6:52 | — | — | 6:52 | — | — | 6:54 | — | — | 6:54 | — | — | 6:54 | — | — |
 | — | 4:23 | — | — | 4:24 | — | — | 4:24 | — | — | 4:24 | — | — | 4:25 | — | — | 4:27 | — |
Next 0-3 days weather summary:
Heavy rain (total 26.0mm), heaviest during Sun afternoon. Later becoming colder with a dusting of snow on Sun night. Very mild (max 13°C on Sat morning, min 1°C on Sun night). Wind will be generally light.
Next 4-6 days weather summary:
A dusting of snow. Milder later with heavy rain (total 23.0mm) on Wed night. Freeze-thaw conditions (max 10°C on Wed morning, min -1°C on Mon night). Wind will be generally light.
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Latest snow reports near Tainai:
Tainai Snow Conditions
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | 9 cm |
| Last snowfall: | 18 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:
0.1 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
2.1 | Powder days Fresh snow, limited sun, any wind. |
0.1 | 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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