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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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Sun Alpina Hakuba Sanosaka at 740 m altitude
Issued by Snow-Forecast.com at: 8 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 | light rain | heavy rain | snow shwrs | snow shwrs | light snow | clear | some clouds | clear | some clouds | light rain | heavy rain | snow shwrs | |
km/h | ||||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | |
— | — | — | — | — | — | 2 | 13 | 6 | — | — | — | — | — | — | 3 | 11 | 5 | |
max °C | 9 | 9 | 5 | 11 | 11 | 7 | 10 | 9 | 5 | 2 | 1 | -1 | 7 | 7 | 2 | 5 | 6 | 5 |
min °C | 5 | 2 | 1 | 8 | 6 | 6 | 9 | 8 | 1 | 1 | -2 | -3 | 4 | 2 | 2 | 4 | 6 | -1 |
4 | 0 | -1 | 7 | 5 | 5 | 8 | 7 | -1 | -1 | -2 | -3 | 3 | 0 | 0 | 1 | 4 | -4 | |
50 | 65 | 51 | 85 | 85 | 75 | 84 | 97 | 99 | 88 | 84 | 67 | 49 | 62 | 80 | 83 | 97 | 98 | |
2000 | 2500 | 2300 | 2400 | 2650 | 2750 | 2750 | 2650 | 1300 | 750 | 850 | 650 | 1700 | 2050 | 1600 | 2050 | 2150 | 1250 | |
 | 6:54 | — | — | 6:56 | — | — | 6:56 | — | — | 6:56 | — | — | 6:56 | — | — | 6:58 | — | — |
 | — | 4:35 | — | — | 4:35 | — | — | 4:36 | — | — | 4:36 | — | — | 4:37 | — | — | 4:37 | — |
Next 0-3 days weather summary:
Heavy rain (total 21.0mm), heaviest during Sun afternoon. Very mild (max 11°C on Sat morning, min 1°C on Fri night). Wind will be generally light.
Next 4-6 days weather summary:
Moderate rain (total 19.0mm) heaviest on Wed afternoon, then becoming colder with a dusting of snow on Wed night. Freeze-thaw conditions (max 7°C on Tue morning, min -3°C on Mon night). Wind will be generally light.
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Latest snow reports near Sun Alpina Hakuba Sanosaka:
47 km away from Sun Alpina Hakuba Sanosaka
8 hours ago
Partly cloudy at Madarao Kogen. Just a light breeze today. Feeling cold here today. There is a dusting of fresh snow. Packed snow on piste. The off-piste has an icy crust. from Madarao Kogen
Sun Alpina Hakuba Sanosaka Snow Conditions
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | — |
| Last snowfall: | 17 Dec 2025 |
| Snow Alerts | Create Alert |
Other resorts in Japan - Nagano are reporting: powder (3) / good piste (3)
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. |
Sun Alpina Hakuba Sanosaka Forecast Snowfall
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Other resorts in Japan - Nagano are reporting: powder (3) / good piste (3)
The above table gives the weather forecast for Sun Alpina Hakuba Sanosaka at the specific elevation of 740 m. Our sophisticated weather models allow us to provide snow forecasts for the top, middle and bottom ski stations of Sun Alpina Hakuba Sanosaka. 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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