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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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Snowdon at 708 m altitude
Issued by Snow-Forecast.com at: 11 am (local time) / 17 Dec 2025
Now
Wednesday 17 | Thursday 18 | Friday 19 | Saturday 20 | Sunday 21 | Monday 22 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  | |  |  | |  | | | |  | |  | | | | |
mod. rain | heavy rain | heavy rain | light rain | mod. rain | snow shwrs | rain shwrs | rain shwrs | light rain | light rain | light rain | light rain | cloudy | cloudy | cloudy | light rain | light rain | cloudy | |
km/h | ||||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
10 | 15 | 18 | 2 | 7 | 2 | 2 | 2 | 2 | 1 | 1 | 3 | — | — | — | 2 | 2 | — | |
max °C | 6 | 8 | 7 | 4 | 4 | 3 | 3 | 3 | 3 | 4 | 4 | 3 | 4 | 4 | 5 | 4 | 4 | 3 |
min °C | 5 | 7 | 5 | 4 | 4 | 2 | 3 | 3 | 3 | 3 | 4 | 3 | 3 | 4 | 4 | 4 | 2 | 2 |
-1 | 1 | -2 | -1 | -2 | -5 | -4 | -3 | -3 | -3 | -2 | -3 | -2 | -1 | -1 | 0 | -3 | -3 | |
95 | 97 | 84 | 91 | 92 | 74 | 87 | 77 | 84 | 89 | 76 | 93 | 78 | 80 | 90 | 92 | 96 | 69 | |
2400 | 2400 | 1650 | 1450 | 1350 | 1050 | 1050 | 1100 | 1150 | 1200 | 1200 | 1300 | 1550 | 1600 | 1550 | 1400 | 1400 | 1250 | |
 | 8:23 | — | — | 8:25 | — | — | 8:26 | — | — | 8:26 | — | — | 8:26 | — | — | 8:27 | — | — |
 | — | 3:59 | — | — | 3:59 | — | — | 3:59 | — | — | 4:00 | — | — | 4:00 | — | — | 4:00 | — |
Next 0-3 days weather summary:
Heavy rain (total 60.0mm), heaviest during Wed night. Mild temperatures (max 8°C on Wed afternoon, min 2°C on Thu night). Mainly near gales.
Next 4-6 days weather summary:
Light rain (total 9.0mm), mostly falling on Mon morning. Mild temperatures (max 5°C on Sun night, min 2°C on Mon afternoon). Winds decreasing (strong winds from the S on Sat morning, light winds from the SSE by Mon night).
Popular Snowdon Pages
Snow Radar
Latest snow reports near Snowdon:
Snowdon Snow Conditions
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | — |
| Last snowfall: | 29 Nov 2025 |
| Snow Alerts | Create Alert |
Other resorts in United Kingdom are reporting: powder (0) / good piste (0)
Snow History
Week 3 of December has on average:
0.1 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
0.4 | Powder days Fresh snow, limited sun, any wind. |
0.4 | Bluebird days Average snow, mostly sunny, light wind. |
Snowdon Forecast Snowfall
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Photos of Snowdon
on cloud nine! by gary marshall
snowdon the hard way! by gary marshall
Ffynnon Llugwyn res. by paul unsworth
Upload new photo Other resorts in United Kingdom are reporting: powder (0) / good piste (0)
The above table gives the weather forecast for Snowdon at the specific elevation of 708 m. Our sophisticated weather models allow us to provide snow forecasts for the top, middle and bottom ski stations of Snowdon. 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 United Kingdom.
Click here to read further information on freezing levels and how we forecast our temperatures.
Visitor Reviews of Snowdon
Overall 3.0 Based on 5 votes and 4 reviews
- Snowsure
- Variety of pistes
- Vote
- MP from United Kingdom writes:
There is some amazing backcountry skiing here when big dumps occur, Carneddau is where it's at.
Visitor Reviews of Snowdon
MP from United Kingdom writes:
There is some amazing backcountry skiing here when big dumps occur, Carneddau is where it's at.
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