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Japan Weekly Snow Roundup #292
Weekly Snow News for Japan, updated 10 December 2025: early-season bases deepen rapidly as Siberian air drives repeated snow across Hokkaido and Honshu
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Sugadaira at 1435 m altitude
Issued by Snow-Forecast.com at: 8 pm (local time) / 10 Dec 2025
Now
Thursday 11 | Friday 12 | Saturday 13 | Sunday 14 | Monday 15 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  | |  | | |  |  | | | | | | |
cloudy | some clouds | clear | mod. snow | snow shwrs | snow shwrs | snow shwrs | clear | clear | light snow | light snow | light snow | snow shwrs | snow shwrs | snow shwrs | snow shwrs | |
km/h | ||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||
— | — | — | 8 | 1 | — | — | — | — | — | 4 | 2 | 1 | 1 | 1 | — | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | -1 | 3 | 4 | 0 | -8 | -9 | -8 | -4 | -2 | 0 | 1 | 1 | -4 | -5 | -5 | -6 |
min °C | -1 | 1 | 2 | -7 | -9 | -9 | -10 | -7 | -3 | -3 | 0 | -2 | -6 | -6 | -5 | -6 |
-4 | -4 | -4 | -16 | -18 | -17 | -17 | -11 | -8 | -9 | -4 | -9 | -12 | -12 | -11 | -12 | |
66 | 35 | 38 | 95 | 87 | 80 | 75 | 56 | 42 | 62 | 99 | 95 | 92 | 85 | 86 | 87 | |
1200 | 1600 | 1900 | 800 | 300 | 300 | 0 | 350 | 1150 | 750 | 1650 | 1550 | 650 | 600 | 750 | 300 | |
 | — | 6:47 | — | — | 6:48 | — | — | 6:48 | — | — | 6:50 | — | — | 6:50 | — | — |
 | — | — | 4:30 | — | — | 4:30 | — | — | 4:30 | — | — | 4:30 | — | — | 4:31 | — |
Next 0-3 days weather summary:
A light covering of new snow, mostly falling on Thu night. Freeze-thaw conditions (max 4°C on Thu afternoon, min -10°C on Fri night). Winds decreasing (fresh winds from the SW on Thu afternoon, calm by Sat morning).
Next 4-6 days weather summary:
A light covering of new snow, mostly falling on Sun morning. Freeze-thaw conditions (max 1°C on Sun morning, min -6°C on Sun night). Winds decreasing (fresh winds from the WNW on Sun afternoon, calm by Tue afternoon).
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Latest snow reports near Sugadaira:
44 km away from Sugadaira
8 hours ago
Snowing heavily in Nozawa Onsen. from Nozawa Onsen
44 km away from Sugadaira
8 hours agoSnow is falling in Nozawa Onsen. from Nozawa Onsen
44 km away from Sugadaira
8 hours agoSnow falling in Nozawa Onsen. from Nozawa Onsen
49 km away from Sugadaira
11 hours agoIt is snowing steadily in Naeba. from Naeba
Sugadaira Snow Conditions
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | 3 cm |
| Last snowfall: | 9 Dec 2025 |
| Snow Alerts | Create Alert |
Other resorts in Japan - Nagano are reporting: powder (2) / good piste (2)
Snow History
Week 2 of December has on average:
0.8 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
0.7 | Powder days Fresh snow, limited sun, any wind. |
1.5 | Bluebird days Average snow, mostly sunny, light wind. |
Sugadaira Forecast Snowfall
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Other resorts in Japan - Nagano are reporting: powder (2) / good piste (2)
The above table gives the weather forecast for Sugadaira at the specific elevation of 1435 m. Our sophisticated weather models allow us to provide snow forecasts for the top, middle and bottom ski stations of Sugadaira. 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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