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Yamanouchi

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Yamanouchi Weather, Climate and Best Time to Visit

Data source：Meteostat
Update date：2025-09

Yamanouchi year round climate

  • Spring (March–May): Average 6–17°C, mild climate, but still chilly in early spring, with more rainfall. Common activities: Hiking, flower viewing (such as cherry blossoms and peach blossoms). Recommended clothing: Light jacket, long-sleeved shirts, comfortable shoes.
  • Summer (June–August): Average 21–27°C, hot and humid climate, with heavier rainfall, occasional afternoon thunderstorms. Common activities: Mountain climbing, stream play, sightseeing in cool resorts. Recommended clothing: Light and breathable clothing, sun hat, rain gear.
  • Autumn (September–November): Average 9–24°C, comfortable and pleasant climate, gradually decreasing rainfall, abundant sunshine. Common activities: Maple viewing, hiking, fruit picking. Recommended clothing: Comfortable long-sleeved shirts, light jacket, warm clothing.
  • Winter (December–February): Average -0.3–9°C, cold and dry climate, with little snowfall. Common activities: Skiing (depending on snow conditions), hot spring experience. Recommended clothing: Thick coat, warm clothing, scarf, gloves, hat.

Yamanouchi climatological average

Annual average temperature: approx. 13°C / Annual rainfall: approx. 1004 mm / Summer humidity: 70%–80% / Rainiest month: July

Yamanouchi monthly average temperature and precipitation

Month
Air temperature (°C)
Precipitation (mm)
January
-0.3°C
37.7
February
0.9°C
43.3
March
6°C
76.7
April
12.9°C
83.7
May
16.6°C
108.3
June
21.3°C
94.7
July
25.7°C
141.3
August
27°C
115
September
23.9°C
138.7
October
15.1°C
64
November
9.2°C
70.7
December
2.6°C
30.7

Yamanouchi weather for the next seven days

4/22
Wednesday
Partly Cloudy
21.8°C/2.8°C
4/23
Thursday
Moderate rain
15.5°C/6.3°C
4/24
Friday
Sunny
14.9°C/2°C
4/25
Saturday
Sunny
21.2°C/0.8°C
4/26
Sunday
Patchy rain nearby
16.3°C/7.2°C
4/27
Monday
Patchy rain nearby
18.6°C/8.3°C
4/28
Tuesday
Patchy rain nearby
21.6°C/7.7°C

Yamanouchi Frequently Asked Questions and Useful Information for Travel

What are the must-see attractions in Yamanouchi?

In Yamanouchi, the top attraction is the Jigokudani Snow Monkey Park, famous for its hot-spring-bathing macaques. You can also enjoy skiing at Ryuoo Ski Park, Shiga Kogen, and Okushiga Kogen Ski Area. The Shigakogen Plateau offers stunning natural beauty.

What is the population of Yamanouchi, Japan?

As of April 1, 2019, Yamanouchi town had an estimated population of 12,403 people living in 5,020 households. The town has a population density of 47 persons per square kilometer and covers a total area of 265.90 square kilometers.

Can you go skiing in Yamanouchi?

Yes, Yamanouchi is a premier destination for skiing. The Shiga Kogen Ski Area in the mountain town of Yamanouchi offers extensive winter sports options, making it a fantastic choice for a Japanese skiing adventure.

Where can I see monkeys in hot springs in Japan?

The most renowned place to see Japanese snow monkeys in hot springs is the Jigokudani Monkey Park, located in Nagano Prefecture, Japan, within Yamanouchi. Wild Japanese macaques visit the park to soak in thermal pools, especially during winter.

What activities are available in Yamanouchi during winter?

During winter, Yamanouchi transforms into a snowy paradise. The main activities include visiting the iconic Jigokudani Snow Monkey Park to see the macaques in their natural hot springs, and enjoying world-class skiing and snowboarding at resorts like Shiga Kogen and Ryuoo Ski Park.