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Komagane
Top 10 Must-Do Experiences and Attractions in Komagane
![[Nagano, Iida] Enjoy a boat trip down the Tenryu River in a traditional Japanese boat, getting splashed by the waves! The boatman will guide you through the traditions of Japanese boats (history, shipbuilding, and boat handling techniques)!](https://image.kkday.com/image/get/c_fill%2Ch_153%2Cq_55%2Ct_webp%2Cw_272/s1.kkday.com/product_563777/20251215070142_MqqJy/png)
![[Nagano, Iida] Take a traditional Japanese boat trip down the Tenryu River! The boatman will guide you through the traditions of Japanese boats (history, shipbuilding, and boat handling techniques)!](https://image.kkday.com/image/get/c_fill%2Ch_153%2Cq_55%2Ct_webp%2Cw_272/s1.kkday.com/product_563799/20251215070455_cbt9t/png)
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Komagane Weather, Climate and Best Time to Visit
Data source：Meteostat
Update date：2025-09
Komagane year round climate
- Spring (March–May): 45–62°F on average, mild and rainy. Temperatures gradually warm from March, cherry blossoms bloom in April, and May offers pleasant weather. Common activities: cherry blossom viewing, hiking, sightseeing. Recommended clothing: light jacket, long-sleeved shirt, comfortable shoes.
- Summer (June–August): 69–78°F on average, warm and humid. June has the most rainfall; be prepared for rain. Common activities: outdoor activities, mountain climbing, camping. Recommended clothing: breathable clothing, short-sleeved shirts, light rain gear.
- Autumn (September–November): 50–75°F on average, comfortable climate with gradually decreasing rainfall. A great time for viewing autumn leaves. Common activities: autumn leaf viewing, hiking, hot spring bathing. Recommended clothing: light jacket, long-sleeved shirt, comfortable shoes.
- Winter (December–February): 34–38°F on average, cold and dry with little snowfall. Common activities: skiing (requires travel to nearby areas), hot spring bathing. Recommended clothing: warm jacket, sweater, scarf, hat, gloves.
Komagane climatological average
Annual average temperature: approx. 56.5°F / Annual rainfall: approx. 1944 mm / Summer humidity: 70%–80% / Rainiest month: June
Komagane monthly average temperature and precipitation
Month
Air temperature (°F)
Precipitation (mm)
January
34.2°F
37.9
February
36.9°F
117.1
March
45.7°F
172.5
April
57°F
205.2
May
62.4°F
246.9
June
69.6°F
313.5
July
77.9°F
189.8
August
78.1°F
172.9
September
75°F
179.1
October
59.7°F
135.9
November
50°F
126
December
38.3°F
48.1
Komagane weather for the next seven days
7/10
Friday
Fog
89.6°F/56.5°F
7/11
Saturday
Sunny
87.3°F/57.5°F
7/12
Sunday
Partly Cloudy
77.2°F/56°F
7/13
Monday
Patchy rain nearby
79.6°F/57.4°F
7/14
Tuesday
Patchy rain nearby
87°F/56.7°F
7/15
Wednesday
Fog
85.7°F/64°F
7/16
Thursday
Fog
83.1°F/59.5°F
