Happo One Weather (Next 3 days): The snow forecast for Happo One is: A dusting of snow. Milder later with heavy rain (total 46.0mm) on Thu night. Freeze-thaw conditions (max 8°C on Fri afternoon, min -4°C on Wed morning). Winds increasing (calm on Wed afternoon, fresh winds from the WSW by Fri afternoon).
Happo One Weather (Days 4-6): Moderate rain (total 18.0mm), heaviest on Mon afternoon. Freeze-thaw conditions (max 9°C on Sun afternoon, min 0°C on Sat night). Winds decreasing (fresh winds from the W on Sat morning, calm by Sun afternoon).
| Resort | Snow Depth | Temp. (°C) | Wind (km/h) | Weather | ||
|---|---|---|---|---|---|---|
| Top Lift: | 0.9 m | 0 |  | |||
| Middle Lift: | 3 | | ||||
| Bottom Lift: | 8 | |
Wednesday 8 | Thursday 9 | Friday 10 | Saturday 11 | Sunday 12 | Monday 13 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
| |  |  |  |  |  |  |  | | | | | |  | |  |  | |
clear | clear | clear | some clouds | cloudy | light snow | heavy rain | light rain | rain shwrs | some clouds | clear | clear | clear | clear | some clouds | cloudy | mod. rain | mod. rain | |
km/h | ||||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||||
— | — | — | — | — | 2 | — | — | — | — | — | — | — | — | — | — | — | — | |
— | — | — | — | — | 25 | 15 | 4 | 2 | — | — | — | — | — | — | — | 8 | 10 | |
max °C | 0 | 2 | 3 | 7 | 7 | 5 | 7 | 8 | 8 | 5 | 3 | 2 | 7 | 9 | 8 | 8 | 4 | 4 |
min °C | -4 | 1 | 1 | 5 | 5 | 2 | 6 | 8 | 4 | 5 | 1 | 0 | 5 | 8 | 8 | 8 | 4 | 2 |
-8 | 0 | -2 | 3 | 2 | -2 | 2 | 4 | -1 | 0 | -5 | -6 | 1 | 8 | 6 | 7 | 2 | -1 | |
47 | 44 | 42 | 29 | 41 | 96 | 96 | 95 | 84 | 51 | 37 | 27 | 26 | 33 | 28 | 34 | 93 | 99 | |
1200 | 2100 | 2500 | 3250 | 3000 | 2850 | 3650 | 3650 | 3050 | 2600 | 2400 | 1800 | 2550 | 2950 | 3350 | 3050 | 2750 | 2700 | |
 | 5:24 | — | — | 5:24 | — | — | 5:22 | — | — | 5:20 | — | — | 5:18 | — | — | 5:18 | — | — |
 | — | 6:15 | — | — | 6:16 | — | — | 6:17 | — | — | 6:17 | — | — | 6:19 | — | — | 6:20 | — |
A dusting of snow. Milder later with heavy rain (total 46.0mm) on Thu night. Freeze-thaw conditions (max 8°C on Fri afternoon, min -4°C on Wed morning). Winds increasing (calm on Wed afternoon, fresh winds from the WSW by Fri afternoon).
Moderate rain (total 18.0mm), heaviest on Mon afternoon. Freeze-thaw conditions (max 9°C on Sun afternoon, min 0°C on Sat night). Winds decreasing (fresh winds from the W on Sat morning, calm by Sun afternoon).
Latest snow reports near Happo One:
| Top snow depth: | 85 cm |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | 7 cm |
| Last snowfall: | 7 Apr 2026 |
| Snow Alerts | Create Alert |
0.5 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
0.5 | Powder days Fresh snow, limited sun, any wind. |
0.4 | 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 41 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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