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Kiso

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Kiso Weather, Climate and Best Time to Visit

Data source：Meteostat
Update date：2025-09

Kiso year round climate

  • Spring (March–May): Average 8.7–17.7°C, mild climate but with relatively high rainfall, especially in April. Common activities: Sightseeing, flower viewing (such as mountain cherry blossoms). Recommended clothing: Light jacket, long-sleeved shirt, and it is advisable to bring rain gear.
  • Summer (June–August): Average 22.7–28.5°C, hot and humid with relatively high rainfall, especially in July. Common activities: Summer resort activities, river rafting, mountain climbing (be mindful of changing weather conditions). Recommended clothing: Light and breathable clothing, sun hat, and rain gear.
  • Autumn (September–November): Average 18.3–26.1°C, pleasant and comfortable climate with gradually decreasing rainfall. Common activities: Autumn foliage viewing, hiking. Recommended clothing: Comfortable long-sleeved shirts, light jackets.
  • Winter (December–February): Average 4.1–6.7°C, cold and dry with low rainfall. Common activities: Skiing, onsen experience. Recommended clothing: Warm clothing, thick jacket, scarf, and gloves.

Kiso climatological average

Annual average temperature: approx. 15.7°C / Annual rainfall: approx. 1670 mm / Summer humidity: 70%–80% / Rainiest month: July

Kiso monthly average temperature and precipitation

Month
Air temperature (°C)
Precipitation (mm)
January
4.1°C
90.8
February
5°C
79.7
March
8.7°C
123.8
April
14.5°C
152.2
May
17.7°C
188.3
June
22.7°C
223.6
July
27.6°C
235.1
August
28.5°C
165.1
September
26.1°C
117.4
October
18.3°C
124.5
November
13°C
96.9
December
6.7°C
72.7

Kiso weather for the next seven days

4/3
Friday
Sunny
15.6°C/6.2°C
4/4
Saturday
Heavy rain
14.1°C/10.1°C
4/5
Sunday
Patchy rain nearby
16.3°C/11.5°C
4/6
Monday
Patchy rain nearby
17.6°C/11°C
4/7
Tuesday
Patchy rain nearby
15.7°C/7.1°C
4/8
Wednesday
Sunny
14°C/6.3°C
4/9
Thursday
Partly Cloudy
18.4°C/7.6°C

Kiso Frequently Asked Questions and Useful Information for Travel

What is Kiso known for?

Kiso is a historic post town region in Japan, famous for its well-preserved Edo-period streets, particularly Narai-juku, and its scenic natural beauty.

What are the main attractions in Kiso?

Key attractions in Kiso include the picturesque streets of Narai-juku, the scenic Nezame-no-toko Gorge, and the opportunity to experience traditional Japanese landscapes.

Can you hike in Kiso?

Yes, Kiso offers excellent hiking opportunities, including sections of the historic Nakasendo Trail which connects its post towns, and scenic routes like Takigyo on the Ontake Kodo.

What kind of culture can be experienced in Kiso?

Visitors to Kiso can experience the rich history of the Edo period by walking through preserved post towns, witnessing traditional architecture, and learning about the region's past as a vital travel route.

Are there any festivals in Kiso?

Kiso hosts various local festivals throughout the year, with celebrations in Narai-juku often highlighting the town's historical significance and traditions.