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Happo One at 1831 m altitude
Issued by Snow-Forecast.com at: 8 pm (local time) / 25 Dec 2025
Now
Friday 26 | Saturday 27 | Sunday 28 | Monday 29 | Tuesday 30 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | |  |  |  | | |  |  | |  |  |  | | | |
heavy snow | heavy snow | heavy snow | snow shwrs | cloudy | some clouds | snow shwrs | some clouds | clear | clear | some clouds | light snow | mod. snow | mod. snow | heavy snow | snow shwrs | |
km/h | ||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||
20 | 25 | 17 | 2 | — | — | 1 | — | — | — | — | — | 8 | 6 | 11 | 6 | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | -2 | -11 | -13 | -14 | -10 | -9 | -8 | -5 | -4 | -6 | -3 | -2 | -4 | -5 | -6 | -10 |
min °C | -10 | -12 | -15 | -16 | -12 | -11 | -10 | -7 | -6 | -6 | -4 | -3 | -5 | -5 | -8 | -11 |
-19 | -20 | -24 | -25 | -18 | -17 | -17 | -12 | -9 | -10 | -8 | -9 | -11 | -12 | -15 | -19 | |
80 | 94 | 89 | 69 | 57 | 72 | 83 | 62 | 60 | 48 | 40 | 63 | 96 | 95 | 87 | 87 | |
1200 | 350 | 0 | 0 | 0 | 500 | 0 | 700 | 1100 | 0 | 1050 | 1500 | 1050 | 1100 | 1000 | 0 | |
 | — | 6:58 | — | — | 6:58 | — | — | 6:58 | — | — | 7:00 | — | — | 7:00 | — | — |
 | — | — | 4:37 | — | — | 4:38 | — | — | 4:38 | — | — | 4:39 | — | — | 4:40 | — |
Next 0-3 days weather summary:
A heavy fall of snow, heaviest during Thu night. Temperatures will be below freezing (max -2°C on Thu night, min -16°C on Fri night). Wind will be generally light.
Next 4-6 days weather summary:
A heavy fall of snow, heaviest during Tue afternoon. Temperatures will be below freezing (max -2°C on Mon afternoon, min -11°C on Tue night). Wind will be generally light.
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Latest snow reports near Happo One:
6 km away from Happo One
4 hours ago
There is heavy snow falling at Tsugaike Kogen. from Tsugaike Kogen
6 km away from Happo One
4 hours agoIt is snowing heavily in Tsugaike Kogen. from Tsugaike Kogen
24 km away from Happo One
5 hours agoSnow is falling in Togakushi. from Togakushi
27 km away from Happo One
7 hours ago
Rain and snow or hail reported from Nagano at 120 metres elevation 8 kms SE of Iizuna Kogen but it is probably falling as rain at the bottom of the ski area from Iizuna Kogen
27 km away from Happo One
8 hours agoRain and snow or hail reported from Nagano at 120 metres elevation 8 kms SE of Iizuna Kogen Ski Resort from Iizuna Kogen
Happo One Snow Conditions
| Top snow depth: | 110 cm |
|---|---|
| Bottom snow depth: | 45 cm |
| Fresh snowfall depth: | 9 cm |
| Last snowfall: | 22 Dec 2025 |
| Snow Alerts | Create Alert |
Other resorts in Japan - Nagano are reporting: powder (0) / good piste (0)
Snow History
Week 4 of December has on average:
1.8 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
2.7 | Powder days Fresh snow, limited sun, any wind. |
1.2 | Bluebird days Average snow, mostly sunny, light wind. |
Happo One Forecast Snowfall
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Photos of Happo One
Hakuba Japan by Chris Hocking
The day Happo One by Denis Akira Hayashihara
zoio Happo One by Denis Akira H
Upload new photo Other resorts in Japan - Nagano are reporting: powder (0) / good piste (0)
The above table gives the weather forecast for Happo One at the specific elevation of 1831 m. Our sophisticated weather models allow us to provide snow forecasts for the top, middle and bottom ski stations of Happo One. 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.
Visitor Reviews of Happo One
Overall 3.9 Based on 31 votes and 27 reviews
- Snowsure
- Variety of pistes
- Vote
- Mick from Australia writes:
Unfortunately, 2019/20 is shaping up as the worst season in decades. Happo is a great mountain, but unfortunately, snow conditions are just like back home, icy at the top and wet muck from the middle to bottom, with that famous Japan powder, just something others talk about.
Visitor Reviews of Happo One
Mick from Australia writes:
Unfortunately, 2019/20 is shaping up as the worst season in decades.
Happo is a great mountain, but unfortunately, snow conditions are just like back home, icy at the top and wet muck from the middle to bottom, with that famous Japan powder, just something others talk about.
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