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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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Mount St Gwinear at 1509 m altitude
Issued by Snow-Forecast.com at: 10 pm (local time) / 18 Dec 2025
Now
Friday 19 | Saturday 20 | Sunday 21 | Monday 22 | Tuesday 23 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | |  | | |  |  |  | | |  | |  | | | |
some clouds | cloudy | cloudy | rain shwrs | cloudy | some clouds | clear | risk thun- der | heavy rain | rain shwrs | some clouds | clear | clear | rain shwrs | rain shwrs | rain shwrs | |
km/h | ||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
— | — | — | 3 | — | — | — | 2 | 16 | 4 | — | — | — | 1 | 1 | 1 | |
max °C | 22 | 23 | 22 | 17 | 13 | 17 | 18 | 18 | 15 | 9 | 4 | 9 | 9 | 4 | 6 | 3 |
min °C | 21 | 22 | 21 | 13 | 13 | 14 | 14 | 16 | 12 | 2 | 2 | 8 | 6 | 4 | 5 | 2 |
21 | 22 | 21 | 10 | 10 | 12 | 14 | 14 | 9 | -4 | -3 | 5 | 2 | -1 | 0 | -4 | |
19 | 16 | 29 | 74 | 97 | 63 | 40 | 61 | 97 | 92 | 83 | 57 | 72 | 94 | 79 | 90 | |
4400 | 4200 | 4250 | 4000 | 4000 | 4000 | 4100 | 4100 | 3950 | 3700 | 3800 | 3500 | 2750 | 2400 | 2800 | 3450 | |
 | — | 5:47 | — | — | 5:48 | — | — | 5:48 | — | — | 5:48 | — | — | 5:48 | — | — |
 | — | — | — | 8:35 | — | — | 8:35 | — | — | 8:36 | — | — | 8:36 | — | — | 8:37 |
Next 0-3 days weather summary:
Heavy rain (total 21.0mm), heaviest during Sun afternoon. Warm (max 23°C on Fri morning, min 12°C on Sun afternoon). Winds increasing (calm on Fri afternoon, near gales from the NW by Sun afternoon).
Next 4-6 days weather summary:
Light rain (total 7.0mm), mostly falling on Sun night. Mild temperatures (max 9°C on Sun night, min 2°C on Sun night). Winds increasing (light winds from the W on Mon night, near gales from the W by Wed afternoon).
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Snow Radar
Latest snow reports near Mount St Gwinear:
Mount St Gwinear Snow Conditions
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | — |
| Last snowfall: | 1 Dec 2025 |
| Snow Alerts | Create Alert |
Other resorts in Australia - Victoria are reporting: powder (0) / good piste (0)
Snow History
Week 3 of December has on average:
0.0 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
0.0 | Powder days Fresh snow, limited sun, any wind. |
0.0 | Bluebird days Average snow, mostly sunny, light wind. |
Mount St Gwinear Forecast Snowfall
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Other resorts in Australia - Victoria are reporting: powder (0) / good piste (0)
The above table gives the weather forecast for Mount St Gwinear at the specific elevation of 1509 m. Our sophisticated weather models allow us to provide snow forecasts for the top, middle and bottom ski stations of Mount St Gwinear. 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 Australia.
Click here to read further information on freezing levels and how we forecast our temperatures.
Visitor Reviews of Mount St Gwinear
Overall 3.1 Based on 1 vote and 2 reviews
- Snowsure
- Variety of pistes
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- gwinnearfan from Australia writes:
Could tell the truth but....... would rather it stayed a secret. Gwinear is not suitable for Melbournians as it never has enough snow for you guys, better you stick to Lake Mountain or go to Buller or Thredbo!
Visitor Reviews of Mount St Gwinear
gwinnearfan from Australia writes:
Could tell the truth but....... would rather it stayed a secret.
Gwinear is not suitable for Melbournians as it never has enough snow for you guys, better you stick to Lake Mountain or go to Buller or Thredbo!
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