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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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O2 Ski Resort at 1100 m altitude
Issued by Snow-Forecast.com at: 8 am (local time) / 11 Dec 2025
Now
Thursday 11 | Friday 12 | Saturday 13 | Sunday 14 | Monday 15 | Tuesday 16 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | | |  |  | |  |  | |  | | | | | |  | |
light snow | clear | mod. snow | light snow | light snow | cloudy | cloudy | light snow | snow shwrs | some clouds | clear | clear | clear | clear | cloudy | some clouds | some clouds | some clouds | |
km/h | ||||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||||
3 | — | 7 | 1 | — | — | — | 2 | 2 | — | — | — | — | — | — | — | — | — | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | 1 | 0 | -5 | -3 | -3 | -4 | -1 | -2 | -3 | -6 | -6 | -8 | -3 | -3 | -4 | -1 | -1 | -1 |
min °C | 1 | -3 | -6 | -5 | -5 | -5 | -3 | -2 | -8 | -7 | -8 | -9 | -6 | -6 | -5 | -3 | -1 | -2 |
-6 | -11 | -11 | -8 | -8 | -10 | -8 | -7 | -19 | -17 | -17 | -19 | -14 | -14 | -12 | -11 | -9 | -8 | |
97 | 80 | 95 | 90 | 89 | 86 | 72 | 96 | 95 | 75 | 86 | 40 | 34 | 37 | 45 | 94 | 92 | 90 | |
1500 | 1050 | 250 | 350 | 650 | 450 | 700 | 800 | 450 | 0 | 350 | 0 | 0 | 650 | 0 | 700 | 1000 | 1050 | |
 | 7:26 | — | — | 7:26 | — | — | 7:28 | — | — | 7:28 | — | — | 7:30 | — | — | 7:30 | — | — |
 | — | 5:07 | — | — | 5:07 | — | — | 5:07 | — | — | 5:07 | — | — | 5:07 | — | — | 5:07 | — |
Next 0-3 days weather summary:
A moderate fall of snow, heaviest on Thu night. Freeze-thaw conditions (max 1°C on Thu morning, min -8°C on Sat night). Winds increasing (calm on Fri morning, strong winds from the WNW by Sat night).
Next 4-6 days weather summary:
Mostly dry. Temperatures will be below freezing (max -1°C on Tue morning, min -9°C on Sun night). Winds decreasing (strong winds from the WNW on Sun morning, moderate winds from the WNW by Tue night).
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Snow Radar
Latest snow reports near O2 Ski Resort:
O2 Ski Resort Snow Conditions
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | — |
| Last snowfall: | 4 Dec 2025 |
| Snow Alerts | Create Alert |
Other resorts in South Korea are reporting: powder (0) / good piste (0)
Snow History
Week 2 of December has on average:
0.4 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
0.4 | Powder days Fresh snow, limited sun, any wind. |
2.6 | Bluebird days Average snow, mostly sunny, light wind. |
O2 Ski Resort Forecast Snowfall
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Photos of O2 Ski Resort
Beginner Course by Byung Chun, Moon
O2 Resort Condo.. by Byung Chun, Moon
O2 Resort by Byung Chun, Moon
Upload new photo Other resorts in South Korea are reporting: powder (0) / good piste (0)
The above table gives the weather forecast for O2 Ski Resort at the specific elevation of 1100 m. Our sophisticated weather models allow us to provide snow forecasts for the top, middle and bottom ski stations of O2 Ski Resort. 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 South Korea.
Click here to read further information on freezing levels and how we forecast our temperatures.
Visitor Reviews of O2 Ski Resort
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