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Komagane

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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

2/4
Wednesday
Sunny
8.8°C/-8.7°C
2/5
Thursday
Sunny
8.5°C/-6.4°C
2/6
Friday
Sunny
8.8°C/-5.9°C
2/7
Saturday
Moderate or heavy snow showers
2°C/-3.5°C
2/8
Sunday
Moderate or heavy snow showers
-0.9°C/-10.5°C
2/9
Monday
Sunny
0.6°C/-18.3°C
2/10
Tuesday
Sunny
7.5°C/-13.8°C

Komagane Frequently Asked Questions and Useful Information for Travel

What is the best time to visit?

The best times to visit are spring and autumn, when the weather is mild, the scenery is beautiful, and suitable for a variety of outdoor activities.

What are the must-see attractions?

Must-see attractions include Komagane Shrine, Nagano Prefectural Museum of Natural History and the surrounding mountain forest area.