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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): 7.6–16.9°C 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): 20.9–25.6°C 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): 10.0–23.9°C 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): 1.2–3.5°C 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. 13.6°C / Annual rainfall: approx. 1944 mm / Summer humidity: 70%–80% / Rainiest month: June
Komagane monthly average temperature and precipitation
Month
Air temperature (°C)
Precipitation (mm)
January
1.2°C
37.9
February
2.7°C
117.1
March
7.6°C
172.5
April
13.9°C
205.2
May
16.9°C
246.9
June
20.9°C
313.5
July
25.5°C
189.8
August
25.6°C
172.9
September
23.9°C
179.1
October
15.4°C
135.9
November
10°C
126
December
3.5°C
48.1
Komagane weather for the next seven days
7/9
Thursday
Fog
30.6°C/18.3°C
7/10
Friday
Fog
31.9°C/14.2°C
7/11
Saturday
Sunny
30.7°C/14.5°C
7/12
Sunday
Partly Cloudy
23.8°C/13.2°C
7/13
Monday
Patchy rain nearby
23°C/13.4°C
7/14
Tuesday
Fog
29.8°C/13.4°C
7/15
Wednesday
Fog
29.6°C/13.9°C
