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Kosetsu River
Top 10 Must-Do Experiences and Attractions in Kosetsu River
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Kosetsu River Weather, Climate and Best Time to Visit
Data source：Meteostat
Update date：2025-09
Kosetsu River year round climate
- Spring (March–May): Average -1.2–12.2°C, the climate transitions from cold to mild. March still has a chance of snowfall, April gradually warms up, and May has pleasant temperatures. Common activities: Viewing spring scenery, going for walks. Recommended clothing: Warm jacket, sweater, long pants; light jacket in May.
- Summer (June–August): Average 16.8–22.1°C, warm and humid climate with more rainfall, especially in August. Common activities: Outdoor activities, viewing summer scenery. Recommended clothing: Light and breathable clothing, rain gear.
- Autumn (September–November): Average 9.6–16.9°C, cool climate with gradually decreasing rainfall. Temperatures drop noticeably after October. Common activities: Viewing autumn scenery, hiking. Recommended clothing: Light jacket, long-sleeved shirt, comfortable shoes.
- Winter (December–February): Average -8.4–-1.2°C, cold and dry climate with significant snowfall. Common activities: Skiing, winter activities. Recommended clothing: Heavy winter jacket, hat, scarf, gloves, snow boots.
Kosetsu River climatological average
Annual average temperature: approx. 7.2°C / Annual rainfall: approx. 1426 mm / Summer humidity: 70%–80% / Rainiest month: August
Kosetsu River monthly average temperature and precipitation
Month
Air temperature (°C)
Precipitation (mm)
January
-8.4°C
58.4
February
-7.1°C
48.7
March
-1.2°C
65.6
April
7°C
70.7
May
12.2°C
88.9
June
16.8°C
175.4
July
21.4°C
144.5
August
22.1°C
250.6
September
16.9°C
179.5
October
9.6°C
144.3
November
3.1°C
117.6
December
-5.7°C
82.3
Kosetsu River weather for the next seven days
5/31
Sunday
Patchy rain nearby
20°C/3°C
6/1
Monday
Sunny
27.4°C/7.4°C
6/2
Tuesday
Sunny
25.7°C/10.7°C
6/3
Wednesday
Patchy rain nearby
26.4°C/10.8°C
6/4
Thursday
Patchy rain nearby
21.7°C/9.1°C
6/5
Friday
Cloudy
19.9°C/5.6°C
6/6
Saturday
Partly Cloudy
18.2°C/3.8°C
