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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: 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 | clear | some clouds | clear | light rain | rain shwrs | light rain | rain shwrs | clear | clear | clear | some clouds | clear | cloudy | cloudy | light rain | rain shwrs | |
km/h | ||||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
— | — | — | — | — | 1 | 4 | 1 | 2 | — | — | — | — | — | — | — | 1 | 2 | |
max °C | 2 | 3 | 6 | 6 | 7 | 8 | 9 | 9 | 5 | -2 | -1 | -2 | 0 | -2 | 0 | 2 | 5 | 6 |
min °C | 1 | 3 | 4 | 6 | 7 | 7 | 8 | 7 | -2 | -3 | -2 | -4 | -1 | -2 | -2 | 1 | 3 | 0 |
-2 | 1 | 2 | 4 | 4 | 4 | 6 | 5 | -10 | -10 | -2 | -7 | -4 | -6 | -7 | -5 | -2 | -6 | |
52 | 44 | 48 | 48 | 82 | 85 | 87 | 80 | 71 | 53 | 42 | 53 | 42 | 70 | 88 | 94 | 99 | 69 | |
1550 | 2200 | 2550 | 2500 | 2650 | 2850 | 2900 | 2850 | 2150 | 900 | 1150 | 650 | 1300 | 1100 | 1000 | 1950 | 2300 | 2150 | |
 | 6:48 | — | — | 6:50 | — | — | 6:50 | — | — | 6:50 | — | — | 6:52 | — | — | 6:52 | — | — |
 | — | 4:30 | — | — | 4:30 | — | — | 4:30 | — | — | 4:30 | — | — | 4:30 | — | — | 4:31 | — |
Next 0-3 days weather summary:
Light rain (total 8.0mm), mostly falling on Sun morning. Freeze-thaw conditions (max 9°C on Sun morning, min -2°C on Sun night). Winds increasing (light winds from the SSW on Fri morning, fresh winds from the NW by Sun night).
Next 4-6 days weather summary:
Light rain (total 3.0mm), mostly falling on Wed night. Freeze-thaw conditions (max 6°C on Wed night, min -4°C on Mon night). Winds increasing (calm on Mon afternoon, fresh winds from the NNW by Wed night).
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Latest snow reports near Akagisan Daisan:
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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