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
Gero Onsen Weather, Climate and Best Time to Visit
Data source:Meteostat Update date:2025-09
Gero Onsen year round climate
Spring (March–May): 5–15°C on average, mild climate but with relatively high rainfall, especially in April. Common activities: flower viewing, hot spring bathing, hiking. Recommended attire: light jacket, comfortable long pants, rain gear.
Summer (June–August): 20–25°C on average, hot and humid, with relatively high rainfall, peaking in July. Common activities: playing in streams, hot spring bathing, sightseeing in cool mountain resorts. Recommended attire: light and breathable clothing, rain gear, sun hat.
Autumn (September–November): 8–23°C on average, pleasant climate, but with a large temperature difference between morning and evening, moderate rainfall. Common activities: autumn leaves viewing, hot spring bathing, hiking. Recommended attire: light jacket, long-sleeved shirt, comfortable long pants.
Winter (December–February): -1–8°C on average, cold and dry, occasional snowfall. Common activities: skiing, hot spring bathing, snow scenery viewing. Recommended attire: warm clothing, thick jacket, scarf, gloves, hat.
Gero Onsen climatological average
Annual average temperature: approx. 12°C / Annual rainfall: approx. 1883 mm / Summer humidity: 70%–80% / Rainiest month: July
Gero 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
Gero Onsen weather for the next seven days
12/20
Saturday
Partly Cloudy
8.4°C/-2°C
12/21
Sunday
Moderate rain
10°C/-0.4°C
12/22
Monday
Patchy moderate snow
-2.2°C/-7.6°C
12/23
Tuesday
Sunny
4.1°C/-7°C
12/24
Wednesday
Moderate or heavy snow showers
1.4°C/-3.6°C
12/25
Thursday
Light freezing rain
-1.2°C/-6.5°C
12/26
Friday
Sunny
5.2°C/-7.9°C
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