Spring (March–May): Average -1.2–12.2°C, cold climate, gradually warming. There is still a possibility of snowfall in March, snowmelt begins in April, and temperatures rise in May. Common activities: Snow viewing (March), hiking (May, depending on snow conditions). Recommended clothing: Warm coat, waterproof clothing, hat, gloves, scarf (March), warm coat or light jacket, comfortable trousers (May).
Summer (June–August): Average 16.8–22.1°C, cool climate, higher humidity, frequent rainfall, especially in August. Common activities: Hiking, viewing alpine plants, camping (check campsite availability). Recommended clothing: Light and breathable clothing, waterproof jacket, comfortable hiking shoes.
Autumn (September–November): Average 9.6–16.9°C, comfortable climate, gradually decreasing temperatures, more rainfall, pay attention to mountain weather changes. Common activities: Viewing autumn leaves (depending on foliage conditions), hiking. Recommended clothing: Warm coat, comfortable trousers, waterproof clothing.
Winter (December–February): Average -8.4–-1.2°C, cold climate, deep snow, low temperatures and much snow and wind. Common activities: Skiing, snowshoeing (check snow conditions and activity availability). Recommended clothing: Thick warm coat, waterproof and windproof clothing, hat, gloves, scarf, warm snow boots.
Asahi-dake climatological average
Annual average temperature: approx. 7.2°C / Annual rainfall: approx. 1426 mm / Summer humidity: 70%–80% / Rainiest month: August
Asahi-dake monthly average temperature and precipitation
Month
Air temperature (°C)
Precipitation (mm)
January
-8.4°C
58.4
February
-7.1°C
48.7
March
-1.2°C
65.6
April
7°C
70.7
May
12.2°C
88.9
June
16.8°C
175.4
July
21.4°C
144.5
August
22.1°C
250.6
September
16.9°C
179.5
October
9.6°C
144.3
November
3.1°C
117.6
December
-5.7°C
82.3
Asahi-dake weather for the next seven days
10/17
Friday
Patchy rain nearby
13.4°C/7.7°C
10/18
Saturday
Moderate rain
11.6°C/7.3°C
10/19
Sunday
Moderate rain
7.7°C/2.8°C
10/20
Monday
Moderate rain
5.7°C/1.5°C
10/21
Tuesday
Patchy rain nearby
6.1°C/1.6°C
10/22
Wednesday
Patchy rain nearby
5.6°C/2.5°C
10/23
Thursday
Patchy rain nearby
4.2°C/1.5°C
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