A group of 10 people planned to travel to Biei and Furano. The vehicle was spacious, and the driver carefully arranged the itinerary.
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Hoshino Resorts Tomamu Weather, Climate and Best Time to Visit
Data source:Meteostat Update date:2025-09
Hoshino Resorts Tomamu year round climate
Spring (March–May): Average -0.9–12.3°C, the weather is changeable with the possibility of snowfall in March. It gradually warms up in April, and May is quite comfortable. Common activities: Skiing (end of season), enjoying spring scenery, and outdoor hiking. Recommended clothing: Warm jacket, sweater, waterproof jacket, and comfortable warm shoes.
Summer (June–August): Average 16.3–21.6°C, warm and humid weather with frequent rainfall, particularly in August. Common activities: Water activities, mountain hiking, and enjoying outdoor facilities. Recommended clothing: Light and breathable clothing, rain gear, and comfortable shoes.
Autumn (September–November): Average 10.8–18.4°C, cool and comfortable weather with significant rainfall. Temperatures drop noticeably after October. Common activities: Autumn foliage viewing, hiking, and enjoying onsen. Recommended clothing: Light jacket, long-sleeved clothing, and comfortable shoes.
Winter (December–February): Average -8.0–-4.3°C, cold and dry weather with significant snowfall; ideal for skiing. Common activities: Skiing, snow activities, and onsen. Recommended clothing: Heavy warm jacket, warm clothing, waterproof snow boots, hat, gloves, and scarf.
Hoshino Resorts Tomamu climatological average
Annual average temperature: approx. 7°C / Annual rainfall: approx. 1118 mm / Summer humidity: 70%–80% / Rainiest month: August
Hoshino Resorts Tomamu monthly average temperature and precipitation
Month
Air temperature (°C)
Precipitation (mm)
January
-8°C
52.2
February
-6.7°C
36.4
March
-0.9°C
73.1
April
7.8°C
73
May
12.3°C
58.2
June
16.3°C
105.4
July
21.6°C
99.8
August
21.6°C
197
September
18.4°C
146.9
October
10.8°C
126.4
November
4°C
84.7
December
-4.3°C
65
Hoshino Resorts Tomamu weather for the next seven days
12/17
Wednesday
Heavy snow
-6°C/-10.3°C
12/18
Thursday
Light snow
-3.5°C/-10°C
12/19
Friday
Moderate or heavy snow showers
1.8°C/-8.5°C
12/20
Saturday
Patchy rain nearby
4.3°C/0.6°C
12/21
Sunday
Light snow
1°C/-4.9°C
12/22
Monday
Patchy light snow
-2.8°C/-10.1°C
12/23
Tuesday
Light snow
-5.9°C/-12.9°C
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