The ski resort was in an environment where card payments were not possible due to lightning strikes, so it was great to be able to pay in advance without using cash.
Anonymous User
Family
Hakkaisan Weather, Climate and Best Time to Visit
Data source:Meteostat Update date:2025-09
Hakkaisan year round climate
Spring (March–May): Average 34–51°F, cold and humid climate with significant rainfall. Be sure to dress warmly. Common activities: Hiking (prepare for rain). Recommended clothing: Waterproof jacket, warm clothing, hiking boots.
Summer (June–August): Average 58–68°F, warm and humid climate with frequent rainfall, especially in August. Common activities: Beat the heat (choose indoor activities or lower altitudes), appreciate mountain scenery. Recommended clothing: Light and breathable clothing, rain gear.
Autumn (September–November): Average 50–63°F, cool climate with gradually decreasing rainfall. Common activities: Viewing autumn leaves (depending on altitude and tree species), hiking. Recommended clothing: Comfortable long-sleeved clothing, light jacket.
Winter (December–February): Average -3.7–-33.4°F, cold and dry climate with the least rainfall. Common activities: Skiing (depending on snow conditions), appreciating snow scenery. Recommended clothing: Heavy warm clothing, waterproof jacket, snow boots.
Hakkaisan climatological average
Annual average temperature: approx. 46.2°F / Annual rainfall: approx. 1974 mm / Summer humidity: 70%–80% / Rainiest month: August
Hakkaisan monthly average temperature and precipitation
Month
Air temperature (°F)
Precipitation (mm)
January
25.3°F
43.3
February
26.6°F
60.7
March
34.3°F
142.1
April
44.8°F
148.4
May
51.1°F
254.7
June
58.8°F
232
July
67.8°F
198.4
August
68°F
335.4
September
63.3°F
279.4
October
50°F
145.4
November
41.7°F
107.7
December
30.6°F
27
Hakkaisan weather for the next seven days
2/2
Monday
Heavy snow
32.2°F/22.5°F
2/3
Tuesday
Moderate or heavy snow showers
32°F/14.1°F
2/4
Wednesday
Partly Cloudy
34.1°F/11.6°F
2/5
Thursday
Fog
36.2°F/22°F
2/6
Friday
Heavy snow
32.8°F/21.9°F
2/7
Saturday
Heavy snow
27.8°F/11.5°F
2/8
Sunday
Heavy snow
24.9°F/15.5°F
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