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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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Hiraniwa Kogen at 805 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 | |
 | |  | |  |  | | |  | | |  | | |  |  |  | | |
snow shwrs | snow shwrs | heavy snow | snow shwrs | light snow | snow shwrs | light snow | light snow | cloudy | light snow | light snow | mod. snow | light snow | snow shwrs | light snow | some clouds | cloudy | light snow | |
km/h | ||||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||||
— | 3 | 11 | 1 | 1 | — | — | — | — | 4 | 4 | 7 | 1 | — | — | — | — | 3 | |
1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | 3 | 3 | -2 | -10 | -11 | -8 | -5 | -5 | -2 | -1 | -1 | -1 | -2 | -5 | -5 | -2 | -1 | 0 |
min °C | 1 | 1 | -11 | -10 | -11 | -10 | -7 | -6 | -5 | -1 | -1 | -2 | -4 | -6 | -6 | -4 | -2 | 0 |
-7 | -6 | -23 | -22 | -23 | -22 | -17 | -12 | -10 | -6 | -9 | -9 | -14 | -16 | -16 | -13 | -9 | -7 | |
84 | 75 | 91 | 84 | 91 | 88 | 86 | 82 | 63 | 96 | 98 | 98 | 96 | 91 | 88 | 79 | 89 | 97 | |
1050 | 1400 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 550 | 700 | 500 | 450 | 100 | 0 | 300 | 600 | 900 | |
 | 6:45 | — | — | 6:46 | — | — | 6:46 | — | — | 6:47 | — | — | 6:48 | — | — | 6:48 | — | — |
 | — | 4:07 | — | — | 4:07 | — | — | 4:07 | — | — | 4:07 | — | — | 4:08 | — | — | 4:08 | — |
Next 0-3 days weather summary:
Mild at first with light rain (total 2.0mm) on Thu morning followed by colder weather and light fall of snow, heaviest on Thu night. Freeze-thaw conditions (max 3°C on Thu morning, min -11°C on Thu night). Winds decreasing (gales from the SW on Thu afternoon, light winds from the S by Sat night).
Next 4-6 days weather summary:
A moderate fall of snow, heaviest on Sun night. Temperatures will be below freezing (max 0°C on Tue night, min -6°C on Mon afternoon). Winds increasing (light winds from the E on Sun afternoon, near gales from the WNW by Mon morning).
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Latest snow reports near Hiraniwa Kogen:
Hiraniwa Kogen Snow Conditions
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | 8 cm |
| Last snowfall: | 10 Dec 2025 |
| Snow Alerts | Create Alert |
Other resorts in Japan - Iwate are reporting: powder (0) / good piste (0)
Snow History
Week 2 of December has on average:
0.8 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
1.0 | Powder days Fresh snow, limited sun, any wind. |
1.3 | Bluebird days Average snow, mostly sunny, light wind. |
Hiraniwa Kogen Forecast Snowfall
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Other resorts in Japan - Iwate are reporting: powder (0) / good piste (0)
The above table gives the weather forecast for Hiraniwa Kogen at the specific elevation of 805 m. Our sophisticated weather models allow us to provide snow forecasts for the top, middle and bottom ski stations of Hiraniwa Kogen. 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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