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Japan Christmas Snow Roundup #294
Weekly Snow News for Japan, updated 24 December 2025: Siberian cold continues to deliver exceptional snowfall, with Hokkaido leading global totals.
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Biwako Valley at 1174 m altitude
Issued by Snow-Forecast.com at: 8 am (local time) / 25 Dec 2025
Now
Thursday 25 | Friday 26 | Saturday 27 | Sunday 28 | Monday 29 | Tuesday 30 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  |  | | | |  |  |  | | |  |  | |  | |
mod. rain | light snow | snow shwrs | snow shwrs | mod. snow | mod. snow | light snow | snow shwrs | snow shwrs | some clouds | clear | clear | some clouds | clear | some clouds | cloudy | cloudy | cloudy | |
km/h | ||||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||||
— | — | 9 | 13 | 5 | 8 | — | — | — | — | — | — | — | — | — | — | — | — | |
8 | 4 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | 6 | 3 | -2 | -5 | -7 | -6 | -6 | -4 | -4 | -2 | 0 | 0 | 1 | 2 | 2 | 0 | -2 | -2 |
min °C | 5 | 1 | -5 | -6 | -8 | -7 | -6 | -5 | -4 | -3 | 0 | -1 | 0 | 2 | 0 | -1 | -2 | -3 |
2 | -7 | -14 | -16 | -18 | -16 | -12 | -12 | -12 | -9 | -2 | -6 | -6 | -5 | -7 | -8 | -9 | -8 | |
96 | 96 | 77 | 95 | 90 | 97 | 91 | 84 | 77 | 87 | 58 | 49 | 87 | 79 | 92 | 71 | 81 | 73 | |
2600 | 1650 | 600 | 450 | 300 | 200 | 300 | 600 | 300 | 700 | 1100 | 900 | 1100 | 1450 | 1500 | 1100 | 1000 | 750 | |
 | 7:01 | — | — | 7:01 | — | — | 7:03 | — | — | 7:03 | — | — | 7:03 | — | — | 7:03 | — | — |
 | — | 4:49 | — | — | 4:50 | — | — | 4:51 | — | — | 4:51 | — | — | 4:52 | — | — | 4:52 | — |
Next 0-3 days weather summary:
Moderate rain (total 12.0mm) on Thu morning. Becoming colder with heavy fall of snow, heaviest during Fri morning. Freeze-thaw conditions (max 6°C on Thu morning, min -8°C on Fri afternoon). Winds increasing (light winds from the W on Thu morning, gales from the NW by Thu night).
Next 4-6 days weather summary:
Mostly dry. Freeze-thaw conditions (max 2°C on Mon afternoon, min -3°C on Sun morning). Winds increasing (calm on Sun afternoon, strong winds from the WSW by Mon night).
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Snow Radar
Latest snow reports near Biwako Valley:
Biwako Valley Snow Conditions
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | — |
| Last snowfall: | 14 Dec 2025 |
| Snow Alerts | Create Alert |
Other resorts in Japan - Shiga are reporting: powder (0) / good piste (0)
Snow History
Week 4 of December has on average:
1.3 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
0.6 | Powder days Fresh snow, limited sun, any wind. |
2.2 | Bluebird days Average snow, mostly sunny, light wind. |
Biwako Valley Forecast Snowfall
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Other resorts in Japan - Shiga are reporting: powder (0) / good piste (0)
The above table gives the weather forecast for Biwako Valley at the specific elevation of 1174 m. Our sophisticated weather models allow us to provide snow forecasts for the top, middle and bottom ski stations of Biwako Valley. 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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