Wednesday 4 | Thursday 5 | Friday 6 | Saturday 7 | Sunday 8 | Monday 9 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  | | |  | |  |  | |  | | | | | | | |
some clouds | cloudy | heavy rain | light rain | light rain | heavy rain | rain shwrs | light rain | light snow | mod. snow | mod. snow | snow shwrs | some clouds | cloudy | light snow | some clouds | mod. snow | light snow | |
km/h | ||||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||||
 cm | — | — | — | — | — | — | — | — | 3 | 6 | 5 | 1 | — | — | — | — | 6 | 2 |
mm | — | — | 21 | 4 | 1 | 22 | 1 | 2 | — | — | — | — | — | — | — | — | — | — |
max °C | 5 | 6 | 6 | 9 | 9 | 8 | 6 | 5 | 1 | -3 | -4 | -4 | -1 | -1 | 0 | 0 | -1 | -3 |
min °C | 3 | 5 | 4 | 7 | 8 | 5 | 5 | 3 | -2 | -3 | -4 | -5 | -3 | -2 | -1 | 0 | -2 | -4 |
chill °C | 1 | 2 | 0 | 4 | 6 | 1 | 1 | -2 | -8 | -8 | -10 | -11 | -7 | -4 | -5 | -4 | -6 | -9 |
Humid % | 48 | 49 | 97 | 88 | 83 | 97 | 70 | 75 | 86 | 95 | 92 | 64 | 77 | 80 | 89 | 82 | 96 | 91 |
Freeze m | 2550 | 3150 | 3000 | 3150 | 3300 | 3100 | 2950 | 2550 | 1800 | 1400 | 1300 | 700 | 1150 | 1550 | 1500 | 1850 | 1700 | 1250 |
 | 6:13 | — | — | 6:15 | — | — | 6:16 | — | — | 6:16 | — | — | 6:18 | — | — | 6:18 | — | — |
 | — | 4:49 | — | — | 4:47 | — | — | 4:46 | — | — | 4:45 | — | — | 4:45 | — | — | 4:44 | — |
Next 3 days weather summary:Heavy rain (total 51.0mm), heaviest during Thu night. Later becoming colder with a dusting of snow on Fri night. Freeze-thaw conditions (max 9°C on Thu morning, min -2°C on Fri night). Wind will be generally light. | Days 4-6 weather summary:A heavy fall of snow, heaviest during Mon afternoon. Temperatures will be below freezing (max 0°C on Sun night, min -5°C on Sat night). Wind will be generally light. | |||||||||||||||||
SnowPro
Hourly & 16-day forecastsView past weatherFast, ad-free browsingSnow hindcasts & HistoryAvalanche information: Japan Avalanche Network
Latest snow reports near Happo One:
| Top snow depth: | 0 cm |
|---|---|
| Bottom snow depth: | 0 cm |
| Fresh snowfall depth: | — |
| Last snowfall: | 28 Oct 2026 |
| Snow Alerts | Create Alert |
0.4 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
0.3 | Powder days Fresh snow, limited sun, any wind. |
0.1 | Bluebird days Average snow, mostly sunny, light wind. |
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.
Overall 3.8 Based on 42 votes and 27 reviews
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.
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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