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
Forecast: Today & the Next 7 Days
JMA forecast issued Oct 22, 11 AM
Every 3 Hours: Today & Tomorrow
- Today12 PMCloudy17°☂ 20%6–9m/s
- 3 PMCloudy14°☂ 20%6–9m/s
- 6 PMSunny12°☂ 10%3–5m/s
- 9 PMSunny11°☂ 10%0–2m/s
- Tomorrow12 AMSunny10°☂ 0%0–2m/s
- 3 AMSunny8°☂ 0%3–5m/s
- 6 AMSunny7°☂ 0%3–5m/s
- 9 AMSunny12°☂ 0%3–5m/s
- 12 PMSunny19°☂ 0%3–5m/s
- 3 PMSunny22°☂ 0%3–5m/s
- 6 PMSunny17°☂ 0%6–9m/s
- 9 PMCloudy16°☂ 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.
- Today10/22(Thu)Cloudy, then sunny18°/12°Observed: 12°☂ 20%
- Tomorrow10/23(Fri)Sunny22°/6°☂ 0%
- 10/24(Sat)Cloudy, rain at times19°/11°☂ 90%
- 10/25(Sun)Cloudy, rain at times20°/15°☂ 70%Reliability A
- 10/26(Mon)Cloudy, rain at times18°/16°☂ 70%Reliability A
- 10/27(Tue)Cloudy, rain at times18°/10°☂ 60%Reliability B
- 10/28(Wed)Cloudy, sunny at times13°/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 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.
Nagano / Yudanaka-Shibu Onsen Temperature & Snow Through the Year
Monthly high / low temperature (°C)
Monthly max snow depth (cm)
Month-by-Month Weather & What to Wear
| Month | High | Low | Precip. | Max snow depth | What to wear |
|---|---|---|---|---|---|
| Jan | 3.8℃ | −3.9℃ | 54.6mm | 26cm | Winter coatDown or heavy coat, gloves, waterproof shoes |
| Feb | 5.3℃ | −3.7℃ | 49.1mm | 23cm | Winter coatDown or heavy coat, gloves, waterproof shoes |
| Mar | 10.3℃ | −0.5℃ | 60.1mm | 8cm | Warm jacketLight down or winter coat, sweater |
| Apr | 17.4℃ | 4.9℃ | 56.9mm | 1cm | Long sleeves + jacketLong sleeves with a light jacket or hoodie |
| May | 23.2℃ | 10.9℃ | 69.3mm | — | T-shirt + layerT-shirt, plus light long sleeves for mornings and evenings |
| Jun | 26.1℃ | 16.1℃ | 106.1mm | — | T-shirtT-shirt, with a light layer for evenings and air conditioning |
| Jul | 29.7℃ | 20.5℃ | 137.7mm | — | T-shirtT-shirt, with a light layer for evenings and air conditioning |
| Aug | 31.1℃ | 21.5℃ | 111.8mm | — | T-shirtT-shirt, with a light layer for evenings and air conditioning |
| Sep | 26.2℃ | 17.2℃ | 125.5mm | — | T-shirtT-shirt, with a light layer for evenings and air conditioning |
| Oct | 19.7℃ | 10.3℃ | 100.3mm | — | Long sleeves + jacketLong sleeves with a light jacket or hoodie |
| Nov | 13.4℃ | 3.4℃ | 44.4mm | 1cm | Warm jacketLight down or winter coat, sweater |
| Dec | 6.9℃ | −1.5℃ | 49.4mm | 16cm | Winter 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.
Places to Stay near Nagano / Yudanaka-Shibu OnsenPR
Prices and availability are shown on Agoda.
Nagano / Yudanaka-Shibu Onsen Through the Seasons
Spring
Mar–MayApril highs are around 17°C, mornings around 5°C. Cherry blossoms are best in mid-April.
Summer
Jun–AugThe 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–NovOctober 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–FebHighs 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 in Nagano / Yudanaka-Shibu Onsen
Winter Scenery in Nagano / Yudanaka-Shibu Onsen
Jigokudani Snow Monkey Park
Chubu & Hokuriku ・ Nagano / Yudanaka-Shibu Onsen
❄ Best season: Mid Dec – Late Feb
Fireworks festivals in Nagano / Yudanaka-Shibu Onsen
Nagaoka Festival Fireworks
Chubu & Hokuriku ・ Nagaoka, Niigata
🎆 Every year on August 2 and 3 (August 2 (Sun) and 3 (Mon), 2026)
Katakai Festival Fireworks (Asahara Shrine Autumn Festival Offering Fireworks)
Chubu & Hokuriku ・ Katakai-machi, Ojiya, Niigata
🎆 Every year on the second Saturday of September and the Friday before (Friday, September 11 and Saturday, September 12 in 2026)
Onsen towns in Nagano / Yudanaka-Shibu 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)
Nozawa Onsen
Chubu & Hokuriku ・ Nozawaonsen, Nagano
♨ Day use Free (a small donation as a contribution to the yunakama) (as of October 2026)
Autumn Leaves in Nagano / Yudanaka-Shibu Onsen
Attractions in Nagano / Yudanaka-Shibu Onsen
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 you can use in Nagano / Yudanaka-Shibu Onsen
Japan Rail Pass
Nationwide ・ Three types: 7, 14 or 21 days. The period of use cannot be extended or changed
From ¥50,000
Getting to and from Nagano / Yudanaka-Shibu Onsen
Tokyo → Nagano
Fastest: Approx. 1 hr 20 min (example timetable: Kagayaki 501)
Plan Your Nagano / Yudanaka-Shibu Onsen TripPR
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.





