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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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Otaru Tenguyama at 344 m altitude
Issued by Snow-Forecast.com at: 8 am (local time) / 18 Dec 2025
Now
Thursday 18 | Friday 19 | Saturday 20 | Sunday 21 | Monday 22 | Tuesday 23 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  |  | |  |  | |  |  | | | | |  | |  |  | |
light snow | light snow | snow shwrs | clear | light snow | light rain | light rain | light rain | light snow | mod. snow | light snow | light snow | light snow | light snow | clear | clear | cloudy | cloudy | |
km/h | ||||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||||
— | — | — | — | — | — | — | — | 3 | 6 | 1 | 3 | — | — | — | — | — | — | |
— | — | — | — | — | 4 | 2 | 3 | 2 | — | — | — | — | — | — | — | — | — | |
max °C | -5 | -5 | -4 | 1 | 2 | 6 | 6 | 6 | 4 | 1 | 0 | -2 | -3 | -3 | -6 | -2 | -2 | 2 |
min °C | -6 | -5 | -5 | -2 | 1 | 3 | 6 | 5 | 1 | 0 | -1 | -4 | -4 | -5 | -6 | -4 | -3 | -2 |
-14 | -12 | -12 | -5 | -2 | -1 | 2 | 1 | 1 | -4 | -6 | -10 | -9 | -9 | -9 | -7 | -6 | -4 | |
72 | 70 | 76 | 67 | 81 | 89 | 89 | 92 | 100 | 99 | 93 | 79 | 70 | 74 | 74 | 64 | 66 | 74 | |
0 | 0 | 0 | 0 | 550 | 1050 | 1300 | 1450 | 1150 | 1100 | 300 | 0 | 0 | 0 | 0 | 0 | 0 | 250 | |
 | 7:01 | — | — | 7:03 | — | — | 7:03 | — | — | 7:03 | — | — | 7:03 | — | — | 7:05 | — | — |
 | — | 4:01 | — | — | 4:01 | — | — | 4:01 | — | — | 4:02 | — | — | 4:02 | — | — | 4:04 | — |
Next 0-3 days weather summary:
Moderate rain (total 11.0mm) heaviest on Fri night, then becoming colder with a dusting of snow on Sat night. Freeze-thaw conditions (max 6°C on Fri night, min -6°C on Thu morning). Winds decreasing (fresh winds from the W on Thu morning, calm by Sat night).
Next 4-6 days weather summary:
A moderate fall of snow, heaviest on Sun morning. Freeze-thaw conditions (max 2°C on Tue night, min -6°C on Mon night). Wind will be generally light.
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Latest snow reports near Otaru Tenguyama:
- 1 hour ago
Freezing rain reported from Otaru at 26 metres elevation only 3 kms ENE of Otaru Tenguyama but it is forecast cold enough for snow at the ski area from Otaru Tenguyama
38 km away from Otaru Tenguyama
1 hour agoContinuous light snow reported from Kutchan at 179 metres elevation only 4 kms E of Niseko Hanazono Resort Ski Resort from Niseko Hanazono Resort
45 km away from Otaru Tenguyama
1 hour ago
Snow falling in Niseko Annupuri. from Niseko Annupuri
Otaru Tenguyama Snow Conditions
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | 5 cm |
| Last snowfall: | 17 Dec 2025 |
| Snow Alerts | Create Alert |
Other resorts in Japan - Hokkaido are reporting: powder (6) / good piste (6)
Snow History
Week 3 of December has on average:
0.1 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
4.3 | Powder days Fresh snow, limited sun, any wind. |
0.4 | Bluebird days Average snow, mostly sunny, light wind. |
Otaru Tenguyama Forecast Snowfall
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Photos of Otaru Tenguyama
Snow mushrooms by powlow
sticks in the snow by powlow
vine yard in snow by powlow
Upload new photo Other resorts in Japan - Hokkaido are reporting: powder (6) / good piste (6)
The above table gives the weather forecast for Otaru Tenguyama at the specific elevation of 344 m. Our sophisticated weather models allow us to provide snow forecasts for the top, middle and bottom ski stations of Otaru Tenguyama. 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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