We arrived a little late, but the driver was very patient and helped carry our heavy luggage. Since we had a baby under one year old, the driver was also very attentive, asking about the temperature and adjusting the air vents. Overall, the driver's service was excellent.
Anonymous User
Family
Hirayu Onsen Weather, Climate and Best Time to Visit
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
12/28
Sunday
Light freezing rain
3.5°C/-7.9°C
12/29
Monday
Light freezing rain
5°C/-6.7°C
12/30
Tuesday
Patchy rain nearby
4.1°C/-4.5°C
12/31
Wednesday
Moderate or heavy snow showers
-1.4°C/-9.6°C
1/1
Thursday
Moderate or heavy snow showers
-4.4°C/-9.9°C
1/2
Friday
Patchy light snow
-0.8°C/-7.8°C
1/3
Saturday
Heavy snow
-0.4°C/-7.7°C
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