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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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Iox-Arosa at 850 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 | |
 | |  |  | |  |  | |  | |  |  | | | |  | | | |
heavy rain | heavy rain | snow shwrs | heavy snow | heavy snow | mod. snow | cloudy | cloudy | light snow | cloudy | clear | clear | clear | clear | light snow | light snow | light snow | light snow | |
km/h | ||||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||||
— | — | 10 | 16 | 11 | 6 | — | — | 3 | — | — | — | — | — | 1 | — | — | — | |
20 | 11 | — | — | — | — | — | — | — | — | — | — | — | — | 7 | — | — | — | |
max °C | 5 | 4 | 2 | -5 | -7 | -7 | -3 | -3 | -2 | 0 | 0 | 0 | 3 | 4 | 3 | 1 | 0 | -1 |
min °C | 4 | 3 | -4 | -6 | -7 | -8 | -5 | -3 | -3 | -1 | -1 | 0 | 2 | 3 | 2 | 1 | -1 | -2 |
1 | 0 | -12 | -14 | -16 | -8 | -8 | -7 | -10 | -4 | -4 | -3 | -3 | -3 | -4 | -5 | -3 | -4 | |
98 | 97 | 76 | 97 | 95 | 96 | 77 | 81 | 97 | 94 | 80 | 54 | 60 | 63 | 88 | 80 | 77 | 86 | |
2000 | 1250 | 800 | 200 | 0 | 0 | 0 | 400 | 450 | 700 | 850 | 650 | 1400 | 1600 | 1350 | 950 | 900 | 650 | |
 | 7:01 | — | — | 7:01 | — | — | 7:03 | — | — | 7:03 | — | — | 7:03 | — | — | 7:03 | — | — |
 | — | 4:42 | — | — | 4:43 | — | — | 4:43 | — | — | 4:44 | — | — | 4:45 | — | — | 4:45 | — |
Next 0-3 days weather summary:
Heavy rain (total 31.0mm) on Thu morning. Becoming colder with heavy fall of snow, heaviest during Fri morning. Freeze-thaw conditions (max 5°C on Thu morning, min -8°C on Fri night). Winds decreasing (near gales from the WSW on Thu night, calm by Fri night).
Next 4-6 days weather summary:
Light rain (total 7.0mm) at first, then becoming colder with a dusting of snow on Mon night. Freeze-thaw conditions (max 4°C on Mon afternoon, min -2°C on Tue night). Winds decreasing (strong winds from the SW on Mon night, calm by Tue afternoon).
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Latest snow reports near Iox-Arosa:
19 km away from Iox-Arosa
37 minutes ago
Light rain reported from Nanto-shi wx at 65 metres elevation 8 kms WSW of Tonami Yumenotaira but it is forecast cold enough for snow at the ski area from Tonami Yumenotaira
Iox-Arosa Snow Conditions
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | — |
| Last snowfall: | 22 Dec 2025 |
| Snow Alerts | Create Alert |
Other resorts in Japan - Toyama are reporting: powder (0) / good piste (0)
Snow History
Week 4 of December has on average:
0.6 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
2.8 | Powder days Fresh snow, limited sun, any wind. |
0.4 | Bluebird days Average snow, mostly sunny, light wind. |
Iox-Arosa Forecast Snowfall
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Other resorts in Japan - Toyama are reporting: powder (0) / good piste (0)
The above table gives the weather forecast for Iox-Arosa at the specific elevation of 850 m. Our sophisticated weather models allow us to provide snow forecasts for the top, middle and bottom ski stations of Iox-Arosa. 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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