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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 Roon at 2231 m altitude
Issued by Snow-Forecast.com at: 6 am (local time) / 19 Dec 2025
Now
Friday 19 | Saturday 20 | Sunday 21 | Monday 22 | Tuesday 23 | Wednesday 24 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | | | |  |  |  | |  |  | | | |  | |  | |
heavy snow | light snow | snow shwrs | light snow | light snow | snow shwrs | some clouds | cloudy | some clouds | some clouds | light rain | heavy rain | light rain | cloudy | snow shwrs | mod. snow | light snow | heavy snow | |
km/h | ||||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||||
20 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | 5 | 9 | 2 | 30 | |
— | — | — | — | — | — | — | — | — | — | 1 | 14 | 1 | — | — | — | — | — | |
max °C | 2 | 0 | -4 | -4 | -4 | -2 | -1 | 0 | 1 | 3 | 3 | 6 | 4 | 3 | 2 | -2 | -4 | -1 |
min °C | 1 | -3 | -5 | -5 | -4 | -4 | -1 | 0 | 1 | 2 | 2 | 4 | 4 | 2 | -2 | -4 | -4 | -4 |
-6 | -9 | -10 | -10 | -8 | -7 | -5 | -3 | -3 | -1 | -2 | -1 | -1 | -3 | -8 | -11 | -11 | -11 | |
99 | 62 | 73 | 72 | 85 | 66 | 50 | 66 | 64 | 61 | 82 | 99 | 67 | 64 | 79 | 96 | 93 | 98 | |
2550 | 2200 | 1150 | 1400 | 1550 | 1500 | 1900 | 2200 | 2900 | 3250 | 2900 | 3400 | 3200 | 3050 | 2200 | 2000 | 1700 | 1650 | |
 | 5:52 | — | — | 5:52 | — | — | 5:54 | — | — | 5:54 | — | — | 5:54 | — | — | 5:54 | — | — |
 | — | 9:17 | — | — | 9:19 | — | — | 9:19 | — | — | 9:20 | — | — | 9:20 | — | — | 9:21 | — |
Next 0-3 days weather summary:
A heavy fall of snow, heaviest during Fri morning. Freeze-thaw conditions (max 2°C on Fri morning, min -5°C on Fri night). Winds decreasing (fresh winds from the W on Fri morning, light winds from the WSW by Sat night).
Next 4-6 days weather summary:
Moderate rain (total 16.0mm) on Mon night. Becoming colder with heavy fall of snow, heaviest during Wed night. Freeze-thaw conditions (max 6°C on Mon night, min -4°C on Wed morning). Winds increasing (light winds from the W on Mon morning, strong winds from the NW by Wed night).
Popular Mount Roon Pages
Snow Radar
Latest snow reports near Mount Roon:
Mount Roon Snow Conditions
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | — |
| Last snowfall: | 16 Dec 2025 |
| Snow Alerts | Create Alert |
Other resorts in New Zealand are reporting: powder (0) / good piste (0)
Snow History
Week 3 of December has on average:
0.4 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
0.1 | Powder days Fresh snow, limited sun, any wind. |
0.2 | Bluebird days Average snow, mostly sunny, light wind. |
Mount Roon Forecast Snowfall
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Other resorts in New Zealand are reporting: powder (0) / good piste (0)
The above table gives the weather forecast for Mount Roon at the specific elevation of 2231 m. Our sophisticated weather models allow us to provide snow forecasts for the top, middle and bottom ski stations of Mount Roon. 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 New Zealand.
Click here to read further information on freezing levels and how we forecast our temperatures.
Visitor Reviews of Mount Roon
Overall 2.8 Based on 2 votes and 1 review
- Snowsure
- Variety of pistes
- Vote
- Adrian Dumbleton from New Zealand writes:
This resort does not exist. There may be glacier skiing options but there is no resort.
Visitor Reviews of Mount Roon
Adrian Dumbleton from New Zealand writes:
This resort does not exist. There may be glacier skiing options but there is no resort.
Nearest