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Hirayu Onsen

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Hirayu Onsen Weather and climate

Data source:Meteostat
Update date:2025-09

Hirayu Onsen year round climate
  • Spring (March–May): Average 5–15°C, mild climate, but relatively high rainfall, especially in April and May. Common activities: Hiking (be aware of changing weather conditions), onsen bathing. Recommended clothing: Light jacket, warm clothing, rain gear.
  • Summer (June–August): Average 20–25°C, hot and humid, frequent rainfall, with July being the rainiest month. Common activities: Summer resort, viewing alpine plants, stream activities. Recommended clothing: Breathable clothing, sun hat, rain gear.
  • Autumn (September–November): Average 8–23°C, comfortable climate, but large temperature difference between morning and evening, relatively high rainfall. Common activities: Autumn leaves viewing, onsen bathing, hiking. Recommended clothing: Comfortable and breathable clothing, light jacket, warm underwear.
  • Winter (December–February): Average -1–8°C, cold and dry, low probability of snowfall. Common activities: Skiing (confirm snow conditions), onsen bathing, enjoying the winter tranquility. Recommended clothing: Thick warm clothing, waterproof jacket, hat, gloves, scarf.
Hirayu Onsen climatological average

Annual average temperature: approx. 12°C / Annual rainfall: approx. 1883 mm / Summer humidity: 70%–80% / Rainiest month: July

Hirayu Onsen monthly average temperature and precipitation
Month
Air temperature (°C)
Precipitation (mm)
January
-1.1°C
85.6
February
0.4°C
85.1
March
5°C
159.9
April
12.1°C
174.3
May
15.2°C
216.8
June
20.1°C
213.6
July
24.7°C
222.8
August
25.1°C
145.9
September
22.8°C
218.2
October
13.9°C
160.6
November
8.3°C
123.2
December
1.8°C
77.8
Hirayu Onsen weather for the next seven days
11/10
Monday
Moderate rain
7.9°C/-2.5°C
11/11
Tuesday
Sunny
4.9°C/-4.9°C
11/12
Wednesday
Sunny
6.8°C/-5.2°C
11/13
Thursday
Partly Cloudy
7.5°C/-1°C
11/14
Friday
Patchy rain nearby
7.2°C/-2.6°C
11/15
Saturday
Sunny
7.9°C/-3.3°C
11/16
Sunday
Sunny
10.3°C/-1.7°C