Chubu & Hokuriku Weather Guide

Toyama / Tateyama Kurobe Alpine Route Weather & What to Wear

Toyama, Tateyama Kurobe Alpine Route, Kurobe Dam, Unazuki Onsen

The area stretching from Toyama City on Toyama Bay along the Tateyama Kurobe Alpine Route — which passes through Murodo at 2,450 m before crossing into Nagano Prefecture — to Kurobe Dam and Unazuki Onsen. Temperatures are for Toyama City; up in the mountains, at places like Murodo, it's much colder than in Toyama City and the weather changes quickly.

January low
0.2℃
August high
31.4℃
Max snow depth
40cm
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Forecast

Forecast: Today & the Next 7 Days

JMA forecast issued Oct 22, 11 AM

Every 3 Hours: Today & Tomorrow

  1. Today
    12 PM
    Sunny
    18°
    ☂ 20%
    6–9m/s
  2. 3 PM
    Cloudy
    19°
    ☂ 20%
    6–9m/s
  3. 6 PM
    Cloudy
    16°
    ☂ 10%
    3–5m/s
  4. 9 PM
    Sunny
    14°
    ☂ 10%
    3–5m/s
  5. Tomorrow
    12 AM
    Sunny
    13°
    ☂ 0%
    3–5m/s
  6. 3 AM
    Sunny
    12°
    ☂ 0%
    3–5m/s
  7. 6 AM
    Sunny
    11°
    ☂ 0%
    3–5m/s
  8. 9 AM
    Sunny
    16°
    ☂ 0%
    6–9m/s
  9. 12 PM
    Sunny
    19°
    ☂ 0%
    6–9m/s
  10. 3 PM
    Sunny
    19°
    ☂ 0%
    3–5m/s
  11. 6 PM
    Sunny
    17°
    ☂ 0%
    3–5m/s
  12. 9 PM
    Cloudy
    16°
    ☂ 0%
    3–5m/s

Weather and wind are for the wider area; temperature is for the main forecast point. Chance of rain is for the 6-hour period.

  1. Today
    10/22(Thu)
    Cloudy, sunny at times
    20°/14°
    Observed: 14°
    ☂ 20%
  2. Tomorrow
    10/23(Fri)
    Sunny
    20°/10°
    ☂ 0%
  3.  
    10/24(Sat)
    Rain
    22°/14°
    ☂ 80%
  4.  
    10/25(Sun)
    Cloudy, rain at times
    22°/17°
    ☂ 80%
    Reliability A
  5.  
    10/26(Mon)
    Cloudy, brief rain
    19°/17°
    ☂ 70%
    Reliability A
  6.  
    10/27(Tue)
    Cloudy, brief rain
    20°/12°
    ☂ 50%
    Reliability C
  7.  
    10/28(Wed)
    Cloudy
    16°/9°
    ☂ 40%
    Reliability C
  • ☂ Chance of rain
  • From day 3, the weekly forecast covers a wider prefecture-level area.
  • Reliability of the weekly forecast (A: high, B: fairly high, C: fairly low)
  • "Observed" is the temperature measured so far today by JMA weather stations (AMeDAS), not a forecast.
  • Source: Japan Meteorological Agency (weather forecast)
Best Season

Best Time to Visit Toyama / Tateyama Kurobe Alpine Route

For Yuki-no-Otani

The Alpine Route usually opens fully in mid-April. You can walk through Yuki-no-Otani, the snow walls on the Murodo plateau, from mid-April to late June.

For Kurobe Dam's water discharge

The sightseeing water discharge runs every year from June 26 to October 15. In summer you can also see alpine flowers around Murodo.

For autumn leaves

The Murodo plateau colors from mid-September to early October, and Midagahara from late September to mid-October. The Alpine Route operates until the end of November.

Climate

Toyama / Tateyama Kurobe Alpine Route Temperature & Snow Through the Year

Monthly high / low temperature (°C)

HighLow
-505101520253035JanFebMarAprMayJunJulAugSepOctNovDec31.4℃0.1℃Jan High 6.3℃ / Low 0.2℃Feb High 7.4℃ / Low 0.1℃Mar High 11.8℃ / Low 2.6℃Apr High 17.6℃ / Low 7.4℃May High 22.7℃ / Low 12.9℃Jun High 25.7℃ / Low 17.7℃Jul High 29.8℃ / Low 22.1℃Aug High 31.4℃ / Low 23.2℃Sep High 27.0℃ / Low 19.1℃Oct High 21.6℃ / Low 13.1℃Nov High 15.7℃ / Low 7.3℃Dec High 9.5℃ / Low 2.5℃

Monthly max snow depth (cm)

010203040Jan 40cmJanFeb 39cmFebMar 10cmMarAprMayJunJulAugSepOctNovDec 23cmDec40cm
Month by Month

Month-by-Month Weather & What to Wear

MonthHighLowPrecip.Max snow depthWhat to wear
Jan6.3℃0.2℃259mm40cmWinter coatDown or heavy coat, gloves, waterproof shoes
Feb7.4℃0.1℃171.7mm39cmWinter coatDown or heavy coat, gloves, waterproof shoes
Mar11.8℃2.6℃164.6mm10cmWarm jacketLight down or winter coat, sweater
Apr17.6℃7.4℃134.5mm—Long sleeves + jacketLong sleeves with a light jacket or hoodie
May22.7℃12.9℃122.8mm—T-shirt + layerT-shirt, plus light long sleeves for mornings and evenings
Jun25.7℃17.7℃172.6mm—T-shirtT-shirt, with a light layer for evenings and air conditioning
Jul29.8℃22.1℃245.6mm—T-shirtT-shirt, with a light layer for evenings and air conditioning
Aug31.4℃23.2℃207mm—T-shirtT-shirt, with a light layer for evenings and air conditioning
Sep27.0℃19.1℃218.1mm—T-shirtT-shirt, with a light layer for evenings and air conditioning
Oct21.6℃13.1℃171.9mm—T-shirt + layerT-shirt, plus light long sleeves for mornings and evenings
Nov15.7℃7.3℃224.8mm—Long sleeves + jacketLong sleeves with a light jacket or hoodie
Dec9.5℃2.5℃281.6mm23cmWarm jacketLight down or winter coat, sweater

Clothing tips are based on the normal high temperature and snow depth. Bring an extra layer for mornings and evenings.

Where to Stay · Agoda

Places to Stay near Toyama / Tateyama Kurobe Alpine RoutePR

Prices and availability are shown on Agoda.

Seasons

Toyama / Tateyama Kurobe Alpine Route Through the Seasons

🌸

Spring

Mar–May

April highs in Toyama City are around 18°C. The Alpine Route opens in mid-April, but Murodo is a world of snow, so you'll need winter clothing and sunglasses.

☀️

Summer

Jun–Aug

August in Toyama City is hot, with highs around 31°C. It's cool up in the mountains, but the weather can change suddenly, so bring rain gear and a long-sleeved jacket.

🍁

Autumn

Sep–Nov

October highs in Toyama City are around 22°C. Murodo gets quite cold during the mountain autumn leaf season, so a down jacket is a good idea.

❄️

Winter

Dec–Feb

The Alpine Route does not operate in winter. Toyama City highs are around 6–7°C, and the average maximum snow depth in January is 40 cm.

Events

Events & festivals in Toyama / Tateyama Kurobe Alpine Route

September

Owara Kaze no Bon

Chubu & Hokuriku ・ Toyama / Tateyama Kurobe Alpine Route

Every year September 1–3

Cherry Blossoms

Cherry Blossoms in Toyama / Tateyama Kurobe Alpine Route

Riverside

Matsukawa River Cherry Blossoms

Chubu & Hokuriku ・ Toyama / Tateyama Kurobe Alpine Route

🌸 Typical peak: Late Mar – Early Apr

✦ Night sakura
Winter Scenery

Winter Scenery in Toyama / Tateyama Kurobe Alpine Route

Mountain & highland

Amaharashi Coast

Chubu & Hokuriku ・ Takaoka, Toyama

❄ Best season: Early Nov – Late Mar

Autumn Leaves

Autumn Leaves in Toyama / Tateyama Kurobe Alpine Route

Gorge🍁 Typical peak

Kurobe Gorge Railway

Chubu & Hokuriku ・ Unazuki, Toyama

🍁 Typical peak: Mid Oct – Mid Nov

Attractions

Attractions in Toyama / Tateyama Kurobe Alpine Route

Experience

Kurobe Gorge Railway (Torokko Train)

Chubu & Hokuriku ・ Toyama / Tateyama Kurobe Alpine Route

A torokko (open-air) train running from Unazuki Onsen deep into the Kurobe Gorge. Full-line service between Unazuki and Keyakidaira resumed on October 1, 2026, and you can ride all the way to the Keyakidaira terminus during the operating season until November 30. From the windowless open cars, you can enjoy the beauty of the gorge and the views from the railway bridges.

Travel Passes

Travel passes you can use in Toyama / Tateyama Kurobe Alpine Route

🚄 JR

Hokuriku Arch Pass

Chubu & Hokuriku ・ 7 consecutive days from the first day of use

From ¥35,000

🚄 JR

Japan Rail Pass

Nationwide ・ Three types: 7, 14 or 21 days. The period of use cannot be extended or changed

From ¥50,000

Plan Your Trip

Plan Your Toyama / Tateyama Kurobe Alpine Route TripPR

Other Areas

Weather in Other Areas

Back to the Chubu & Hokuriku Weather Guide (all months & areas) →

Source: Japan Meteorological Agency (climate normals 1991-2020). Compiled by tripuuu.log. Temperature and snow figures are normals from the Toyama station; actual weather varies from year to year.