Chubu & Hokuriku Weather Guide

Nagano / Yudanaka-Shibu Onsen Weather & What to Wear

Nagano, Zenkoji, Jigokudani Monkey Park, Shibu Onsen, Shiga Kogen

An area covering Nagano City, which grew up around Zenkoji Temple, plus Yudanaka and Shibu Onsen, Jigokudani Monkey Park at 850 m — famous for its hot spring-bathing monkeys — and Shiga Kogen. Nagano City has an inland climate with little rain — 965 mm a year — hot summers and cold winters. The mountain hot spring towns and Shiga Kogen are colder than Nagano City.

January low
−3.9℃
August high
31.1℃
Max snow depth
26cm
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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
    Cloudy
    17°
    ☂ 20%
    6–9m/s
  2. 3 PM
    Cloudy
    14°
    ☂ 20%
    6–9m/s
  3. 6 PM
    Sunny
    12°
    ☂ 10%
    3–5m/s
  4. 9 PM
    Sunny
    11°
    ☂ 10%
    0–2m/s
  5. Tomorrow
    12 AM
    Sunny
    10°
    ☂ 0%
    0–2m/s
  6. 3 AM
    Sunny
    8°
    ☂ 0%
    3–5m/s
  7. 6 AM
    Sunny
    7°
    ☂ 0%
    3–5m/s
  8. 9 AM
    Sunny
    12°
    ☂ 0%
    3–5m/s
  9. 12 PM
    Sunny
    19°
    ☂ 0%
    3–5m/s
  10. 3 PM
    Sunny
    22°
    ☂ 0%
    3–5m/s
  11. 6 PM
    Sunny
    17°
    ☂ 0%
    6–9m/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, then sunny
    18°/12°
    Observed: 12°
    ☂ 20%
  2. Tomorrow
    10/23(Fri)
    Sunny
    22°/6°
    ☂ 0%
  3.  
    10/24(Sat)
    Cloudy, rain at times
    19°/11°
    ☂ 90%
  4.  
    10/25(Sun)
    Cloudy, rain at times
    20°/15°
    ☂ 70%
    Reliability A
  5.  
    10/26(Mon)
    Cloudy, rain at times
    18°/16°
    ☂ 70%
    Reliability A
  6.  
    10/27(Tue)
    Cloudy, rain at times
    18°/10°
    ☂ 60%
    Reliability B
  7.  
    10/28(Wed)
    Cloudy, sunny at times
    13°/5°
    ☂ 30%
    Reliability A
  • ☂ 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 Nagano / Yudanaka-Shibu Onsen

For the snow monkeys

The monkeys at Jigokudani Monkey Park only bathe in the hot spring during the cold winter. You can watch them soaking in the water amid the snow.

For cherry blossoms

On average, Nagano's cherry blossoms open on April 11 and reach full bloom around April 16, bringing spring color to the area around Zenkoji.

Climate

Nagano / Yudanaka-Shibu Onsen Temperature & Snow Through the Year

Monthly high / low temperature (°C)

HighLow
-10-505101520253035JanFebMarAprMayJunJulAugSepOctNovDec31.1℃−3.9℃Jan High 3.8℃ / Low −3.9℃Feb High 5.3℃ / Low −3.7℃Mar High 10.3℃ / Low −0.5℃Apr High 17.4℃ / Low 4.9℃May High 23.2℃ / Low 10.9℃Jun High 26.1℃ / Low 16.1℃Jul High 29.7℃ / Low 20.5℃Aug High 31.1℃ / Low 21.5℃Sep High 26.2℃ / Low 17.2℃Oct High 19.7℃ / Low 10.3℃Nov High 13.4℃ / Low 3.4℃Dec High 6.9℃ / Low −1.5℃

Monthly max snow depth (cm)

0102030Jan 26cmJanFeb 23cmFebMar 8cmMarApr 1cmAprMayJunJulAugSepOctNov 1cmNovDec 16cmDec26cm
Month by Month

Month-by-Month Weather & What to Wear

MonthHighLowPrecip.Max snow depthWhat to wear
Jan3.8℃−3.9℃54.6mm26cmWinter coatDown or heavy coat, gloves, waterproof shoes
Feb5.3℃−3.7℃49.1mm23cmWinter coatDown or heavy coat, gloves, waterproof shoes
Mar10.3℃−0.5℃60.1mm8cmWarm jacketLight down or winter coat, sweater
Apr17.4℃4.9℃56.9mm1cmLong sleeves + jacketLong sleeves with a light jacket or hoodie
May23.2℃10.9℃69.3mm—T-shirt + layerT-shirt, plus light long sleeves for mornings and evenings
Jun26.1℃16.1℃106.1mm—T-shirtT-shirt, with a light layer for evenings and air conditioning
Jul29.7℃20.5℃137.7mm—T-shirtT-shirt, with a light layer for evenings and air conditioning
Aug31.1℃21.5℃111.8mm—T-shirtT-shirt, with a light layer for evenings and air conditioning
Sep26.2℃17.2℃125.5mm—T-shirtT-shirt, with a light layer for evenings and air conditioning
Oct19.7℃10.3℃100.3mm—Long sleeves + jacketLong sleeves with a light jacket or hoodie
Nov13.4℃3.4℃44.4mm1cmWarm jacketLight down or winter coat, sweater
Dec6.9℃−1.5℃49.4mm16cmWinter coatDown or heavy coat, gloves, waterproof shoes

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 Nagano / Yudanaka-Shibu OnsenPR

Prices and availability are shown on Agoda.

Seasons

Nagano / Yudanaka-Shibu Onsen Through the Seasons

🌸

Spring

Mar–May

April highs are around 17°C, mornings around 5°C. Cherry blossoms are best in mid-April.

☀️

Summer

Jun–Aug

The rainy season usually starts around June 7 and ends around July 19. August is hot, with highs around 31°C, but highlands such as Shiga Kogen stay cool.

🍁

Autumn

Sep–Nov

October highs are 20°C, with mornings around 10°C. November mornings drop to around 3°C — the season when you start longing for a hot spring.

❄️

Winter

Dec–Feb

Highs of 4–7°C, mornings around -4°C. The average maximum snow depth in January is 26 cm, and the walking trail to Jigokudani Monkey Park becomes a snowy path, so wear non-slip shoes.

Cherry Blossoms

Cherry Blossoms in Nagano / Yudanaka-Shibu Onsen

Park

Garyu Park

Chubu & Hokuriku ・ Suzaka, Nagano

🌸 Typical peak: Early Apr – Mid Apr

✦ Night sakura
Winter Scenery

Winter Scenery in Nagano / Yudanaka-Shibu Onsen

Fireworks

Fireworks festivals in Nagano / Yudanaka-Shibu Onsen

🎆 August

Nagaoka Festival Fireworks

Chubu & Hokuriku ・ Nagaoka, Niigata

🎆 Every year on August 2 and 3 (August 2 (Sun) and 3 (Mon), 2026)

Paid seats
Onsen

Onsen towns in Nagano / Yudanaka-Shibu Onsen

♨ Onsen

Shibu & Yudanaka Onsen

Chubu & Hokuriku ・ Yamanouchi, Nagano

♨ Day use Junior high school students and up ¥500, elementary school students ¥300 (bathing tax included) (as of October 2026)

♨ Onsen

Nozawa Onsen

Chubu & Hokuriku ・ Nozawaonsen, Nagano

♨ Day use Free (a small donation as a contribution to the yunakama) (as of October 2026)

Autumn Leaves

Autumn Leaves in Nagano / Yudanaka-Shibu Onsen

Mountain & highland🍁 Typical peak

Shiga Kogen Highlands

Chubu & Hokuriku ・ Shiga Kogen, Nagano

🍁 Typical peak: Early Oct – Late Oct

Attractions

Attractions in Nagano / Yudanaka-Shibu Onsen

Zoo

Jigokudani Yaen-koen (Snow Monkey Park)

Chubu & Hokuriku ・ Nagano / Yudanaka-Shibu Onsen

A park in the mountains of Yamanouchi, Nagano Prefecture, where you can observe wild Japanese macaques up close. It's famous for its monkeys bathing in hot springs in winter. The entrance is about a 30-minute walk along a mountain path from the parking lot or bus stop, so wear shoes and clothing suited to the season.

Travel Passes

Travel passes you can use in Nagano / Yudanaka-Shibu Onsen

🚄 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

Getting Around

Getting to and from Nagano / Yudanaka-Shibu Onsen

Tokyo → Nagano

Fastest: Approx. 1 hr 20 min (example timetable: Kagayaki 501)

🚄 Shinkansen🚌 Highway bus
Plan Your Trip

Plan Your Nagano / Yudanaka-Shibu Onsen 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 Nagano station; actual weather varies from year to year.