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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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Akagisan Daisan at 1375 m altitude
Issued by Snow-Forecast.com at: 8 pm (local time) / 18 Dec 2025
Now
Friday 19 | Saturday 20 | Sunday 21 | Monday 22 | Tuesday 23 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | |  |  | | |  | |  | | | | | | | |
clear | clear | clear | some clouds | some clouds | clear | some clouds | cloudy | some clouds | rain shwrs | clear | clear | clear | some clouds | some clouds | some clouds | |
km/h | ||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
— | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | |
max °C | 0 | 2 | 3 | 6 | 6 | 7 | 8 | 9 | 9 | 6 | -1 | -1 | -2 | -1 | -1 | 0 |
min °C | -2 | 1 | 3 | 4 | 6 | 7 | 7 | 8 | 8 | -1 | -2 | -2 | -4 | -2 | -2 | -2 |
-4 | -2 | 1 | 2 | 3 | 4 | 4 | 6 | 6 | -9 | -9 | -2 | -6 | -5 | -6 | -7 | |
49 | 51 | 52 | 49 | 77 | 85 | 68 | 82 | 74 | 76 | 43 | 38 | 52 | 42 | 58 | 89 | |
900 | 1650 | 2100 | 2550 | 2550 | 2750 | 2950 | 2900 | 2950 | 2350 | 1050 | 1250 | 650 | 1100 | 1200 | 1000 | |
 | — | 6:48 | — | — | 6:50 | — | — | 6:50 | — | — | 6:50 | — | — | 6:52 | — | — |
 | — | — | 4:30 | — | — | 4:30 | — | — | 4:30 | — | — | 4:30 | — | — | 4:30 | — |
Next 0-3 days weather summary:
Mostly dry. Freeze-thaw conditions (max 9°C on Sun morning, min -2°C on Thu night). Wind will be generally light.
Next 4-6 days weather summary:
Light rain (total 3.0mm), mostly falling on Sun night. Freeze-thaw conditions (max 6°C on Sun night, min -4°C on Mon night). Mainly strong winds.
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Latest snow reports near Akagisan Daisan:
46 km away from Akagisan Daisan
39 hours ago
No clouds over Naeba today. No wind here. Temperatures are around freezing. A dusting of new snow. Only some lifts are open. from Naeba
Akagisan Daisan Snow Conditions
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | — |
| Last snowfall: | 15 Dec 2025 |
| Snow Alerts | Create Alert |
Other resorts in Japan - Gunma are reporting: powder (0) / good piste (0)
Snow History
Week 3 of December has on average:
0.6 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
0.3 | Powder days Fresh snow, limited sun, any wind. |
2.9 | Bluebird days Average snow, mostly sunny, light wind. |
Akagisan Daisan Forecast Snowfall
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Other resorts in Japan - Gunma are reporting: powder (0) / good piste (0)
The above table gives the weather forecast for Akagisan Daisan at the specific elevation of 1375 m. Our sophisticated weather models allow us to provide snow forecasts for the top, middle and bottom ski stations of Akagisan Daisan. 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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