Mount Yari

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Data source：Meteostat
Last updated：2025-09

Weather in Mount Yari throughout the year

Spring (March–May): Average 2.6–11.9°C, with fluctuating temperatures and moderate rainfall. Common activities: Hiking, enjoying volcanic views. Recommended clothing: Warm jacket, comfortable and breathable clothing, and rain gear.
Summer (June–August): Average 16.0–22.8°C, warm and humid with higher rainfall, especially in August. Common activities: Onsen (hot spring) bathing, enjoying lakeside scenery. Recommended clothing: Light and breathable clothing and rain gear.
Autumn (September–November): Average 13.8–20.0°C, pleasant and comfortable with decreasing rainfall. Common activities: Viewing autumn leaves, hiking. Recommended clothing: Light jacket and long-sleeved shirt.
Winter (December–February): Average -1.7–-0.2°C, cold and dry with low chance of snowfall. Common activities: Skiing (depending on snow conditions), onsen bathing. Recommended clothing: Heavy warm clothing, waterproof jacket, hat, gloves, and scarf.

Weather in Mount Yari

Annual average temperature: approx. 9.7°C / Annual rainfall: approx. 1146 mm / Summer humidity: 70%–80% / Rainiest month: August

Mount Yari weather by month

Month

Temperature (°C)

Rainfall (mm)

January

-1.7°C

62.5

February

-1.2°C

29.6

March

2.6°C

53.2

April

8.1°C

53.1

May

11.9°C

66.8

June

16°C

149.2

July

21.4°C

116.1

August

22.8°C

218.8

September

20°C

166.8

October

13.8°C

118.4

November

7.2°C

73.2

December

-0.2°C

38.6

7-day weather forecast for Mount Yari

11/10

Tuesday

Light snow showers

-0.3°C/-7.9°C

11/11

Wednesday

Partly Cloudy

2.9°C/-7.8°C

11/12

Thursday

Patchy rain nearby

9.6°C/-2.4°C

11/13

Friday

Sunny

11.6°C/2.9°C

11/14

Saturday

Sunny

10.5°C/0.1°C

11/15

Sunday

Overcast

8.3°C/1.2°C

11/16

Monday

Patchy rain nearby

5.1°C/-3.3°C

Mount Yari travel FAQs and useful info

Where is Mount Yari located?

Mount Yari, also known as Yari-ga-take, is a prominent peak within Japan's southern Hida Mountains (Northern Alps). It stands at 3,180 meters (10,433 ft) and straddles the border between Ōmachi and Matsumoto in Nagano Prefecture and Takayama in Gifu Prefecture.

How challenging is the climb up Mount Yari?

The ascent from the Yari-gatake-sanso mountain hut to the summit of Mount Yari is considered difficult. However, sturdy chains and ladders are installed at crucial points along the route to enhance safety, making it accessible for determined hikers, including families with children.

What is the best time of year to climb Mount Yari?

The official climbing season for the Japan Alps, including Mount Yari, typically runs from late May through the end of September. During this period, most mountain huts are open, with some larger ones offering slightly extended operational dates. Snowfall usually begins in October and can linger on higher trails until mid-May.

What are the key features of a Mount Yari climb?

Climbing Mount Yari offers a rugged and rewarding experience in the Japanese Alps. Hikers can expect challenging ascents with provided safety features like chains and ladders, breathtaking alpine scenery, and the satisfaction of reaching one of Japan's most iconic peaks. The surrounding Hida Mountains provide a stunning natural backdrop.

What should I know about the climbing routes on Mount Yari?

The routes to Mount Yari's summit are known for their challenging nature, requiring good physical condition and preparedness. Safety is aided by installed chains and ladders at steep or exposed sections. It's advisable to plan your route carefully and check weather conditions before embarking on your climb, particularly during the official climbing season.