Chubu & Hokuriku Weather Guide

Kiso Valley (Tsumago & Magome) Weather & What to Wear

Tsumago-juku, Magome-juku, Narai-juku

The Kiso Valley, where the Nakasendo post towns of Tsumago-juku, Magome-juku and Narai-juku survive. Walking trips along the stone-paved slopes and through the old streets are popular. Being in the mountains, it gets lots of rain in summer and winter mornings drop below freezing (temperatures are from the Nagiso observation station).

January low
−4.5℃
August high
30.0℃
Max snow depth
—
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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
    3 PM
    Sunny
    ☂ 0%
    6–9m/s
  2. 6 PM
    Sunny
    ☂ 0%
    6–9m/s
  3. 9 PM
    Sunny
    ☂ 0%
    0–2m/s
  4. Tomorrow
    12 AM
    Sunny
    ☂ 0%
    0–2m/s
  5. 3 AM
    Sunny
    ☂ 0%
    0–2m/s
  6. 6 AM
    Sunny
    ☂ 0%
    0–2m/s
  7. 9 AM
    Sunny
    ☂ 0%
    3–5m/s
  8. 12 PM
    Sunny
    ☂ 0%
    3–5m/s
  9. 3 PM
    Sunny
    ☂ 0%
    3–5m/s
  10. 6 PM
    Cloudy
    ☂ 10%
    0–2m/s
  11. 9 PM
    Cloudy
    ☂ 10%
    0–2m/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. There is no 3-hourly temperature forecast for this area, so temperatures are not shown.

  1. Today
    10/22(Thu)
    Sunny
    ☂ 0%
  2. Tomorrow
    10/23(Fri)
    Sunny
    ☂ 10%
  3.  
    10/24(Sat)
    Cloudy, rain at times
    ☂ 90%
  4.  
    10/25(Sun)
    Cloudy, rain at times
    ☂ 70%
    Reliability A
  5.  
    10/26(Mon)
    Cloudy, rain at times
    ☂ 70%
    Reliability A
  6.  
    10/27(Tue)
    Cloudy, rain at times
    ☂ 60%
    Reliability B
  7.  
    10/28(Wed)
    Cloudy, sunny at times
    ☂ 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)
  • There is no temperature forecast point for this area, so temperatures are not shown.
  • Source: Japan Meteorological Agency (weather forecast)
Best Season

Best Time to Visit Kiso Valley (Tsumago & Magome)

For walking the old highway

May and October to November bring lots of sunny days — just right for hiking the mountain pass from Tsumago-juku to Magome-juku.

For fresh greenery

May highs are around 22°C, and the mountain greenery is beautiful. A lovely time for strolling the post towns.

Climate

Kiso Valley (Tsumago & Magome) Temperature & Snow Through the Year

Monthly high / low temperature (°C)

HighLow
-10-505101520253035JanFebMarAprMayJunJulAugSepOctNovDec30.0℃−4.5℃Jan High 4.6℃ / Low −4.5℃Feb High 6.4℃ / Low −4.3℃Mar High 11.3℃ / Low −0.7℃Apr High 17.3℃ / Low 4.2℃May High 22.1℃ / Low 9.5℃Jun High 24.9℃ / Low 14.6℃Jul High 28.3℃ / Low 18.7℃Aug High 30.0℃ / Low 19.5℃Sep High 25.9℃ / Low 15.8℃Oct High 20.0℃ / Low 9.5℃Nov High 13.7℃ / Low 3.2℃Dec High 7.2℃ / Low −1.8℃
Month by Month

Month-by-Month Weather & What to Wear

MonthHighLowPrecip.Max snow depthWhat to wear
Jan4.6℃−4.5℃107.5mm—Winter coatDown or heavy coat, gloves
Feb6.4℃−4.3℃113.8mm—Winter coatDown or heavy coat, gloves
Mar11.3℃−0.7℃182.1mm—Warm jacketLight down or winter coat, sweater
Apr17.3℃4.2℃181mm—Long sleeves + jacketLong sleeves with a light jacket or hoodie
May22.1℃9.5℃203.3mm—T-shirt + layerT-shirt, plus light long sleeves for mornings and evenings
Jun24.9℃14.6℃298.9mm—T-shirtT-shirt, with a light layer for evenings and air conditioning
Jul28.3℃18.7℃365.8mm—T-shirtT-shirt, with a light layer for evenings and air conditioning
Aug30.0℃19.5℃245.9mm—T-shirtT-shirt, with a light layer for evenings and air conditioning
Sep25.9℃15.8℃264.1mm—T-shirtT-shirt, with a light layer for evenings and air conditioning
Oct20.0℃9.5℃186.2mm—Long sleeves + jacketLong sleeves with a light jacket or hoodie
Nov13.7℃3.2℃129.2mm—Warm jacketLight down or winter coat, sweater
Dec7.2℃−1.8℃111.6mm—Winter coatDown or heavy coat, gloves

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 Kiso Valley (Tsumago & Magome)PR

Prices and availability are shown on Agoda.

Seasons

Kiso Valley (Tsumago & Magome) Through the Seasons

🌸

Spring

Mar–May

April is still chilly, with highs around 17°C and mornings around 4°C. May is a comfortable season of fresh greenery.

☀️

Summer

Jun–Aug

June and July are rainy, with July rainfall averaging 365.8 mm. August highs are around 30°C, but mornings drop to around 20°C.

🍁

Autumn

Sep–Nov

October highs are 20°C, with mornings around 10°C. November highs are 14°C, with mornings around 3°C, and you can enjoy autumn leaves against the post town scenery.

❄️

Winter

Dec–Feb

Highs of 5–7°C, with February mornings around -4°C. The stone-paved paths can freeze, so walk in non-slip shoes.

Winter Scenery

Winter Scenery in Kiso Valley (Tsumago & Magome)

Old town

Narai-juku

Chubu & Hokuriku ・ Kiso Valley (Tsumago & Magome)

❄ Best season: Early Feb

✦ Illumination
Autumn Leaves

Autumn Leaves in Kiso Valley (Tsumago & Magome)

Avenue & old town🍁 Typical peak

Narai-juku

Chubu & Hokuriku ・ Narai, Shiojiri, Nagano

🍁 Typical peak: Mid Oct – Mid Nov

Travel Passes

Travel passes you can use in Kiso Valley (Tsumago & Magome)

🚄 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 Kiso Valley (Tsumago & Magome) 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 Nagiso station; actual weather varies from year to year.